This image gallery contains GINA polar products for aerosols and trace gasses. Imagery for Aerosols such as Volcanic Ash and Smoke include: VIIRS Ash Index, OMPS Ash-Smoke Index, VIIRS TrueColor RGB and VIIRS DayLandCloud RGB. Imagery for trace gasses such as SO2 and Ozone include: VIIRS SO2 Index, OMPS SO2 Trm, and OMPS Ozone. Please contact support@gina.alaska.edu if you have questions.

Recent Aerosol Products

Generated at 2025/08/23 05:54 AKDT

noaa21.20250823.1252

noaa21

Captured At:

2025/08/23 04:52 AKDT

2025/08/23 12:52 GMT

Age: 62 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa21.20250823.1251

noaa21

Captured At:

2025/08/23 04:51 AKDT

2025/08/23 12:51 GMT

Age: 62 minutes

VIIRS AOD 550

Received at: Unknown

GeoTiff

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noaa20.20250823.1200

noaa20

Captured At:

2025/08/23 04:00 AKDT

2025/08/23 12:00 GMT

Age: 114 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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VIIRS AOD 550

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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npp.20250823.1138

npp

Captured At:

2025/08/23 03:38 AKDT

2025/08/23 11:38 GMT

Age: 136 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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npp.20250823.1137

npp

Captured At:

2025/08/23 03:37 AKDT

2025/08/23 11:37 GMT

Age: 136 minutes

VIIRS AOD 550

Received at: Unknown

GeoTiff

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noaa21.20250823.1111

noaa21

Captured At:

2025/08/23 03:11 AKDT

2025/08/23 11:11 GMT

Age: 163 minutes

VIIRS SO2 Index

Received at: Unknown

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VIIRS Ash Index

Received at: Unknown

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OMPS SO2 Trm

Received at: Unknown

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OMPS Reflective 331

Received at: Unknown

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OMPS Ozone

Received at: Unknown

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OMPS Ash-Smoke Index

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noaa21.20250823.1110

noaa21

Captured At:

2025/08/23 03:10 AKDT

2025/08/23 11:10 GMT

Age: 163 minutes

VIIRS AOD 550

Received at: Unknown

GeoTiff

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noaa20.20250823.1020

noaa20

Captured At:

2025/08/23 02:20 AKDT

2025/08/23 10:20 GMT

Age: 214 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

Received at: Unknown

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noaa20.20250823.1019

noaa20

Captured At:

2025/08/23 02:19 AKDT

2025/08/23 10:19 GMT

Age: 214 minutes

VIIRS AOD 550

Received at: Unknown

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npp.20250823.0957

npp

Captured At:

2025/08/23 01:57 AKDT

2025/08/23 09:57 GMT

Age: 237 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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npp.20250823.0956

npp

Captured At:

2025/08/23 01:56 AKDT

2025/08/23 09:56 GMT

Age: 237 minutes

VIIRS AOD 550

Received at: Unknown

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noaa21.20250823.0931

noaa21

Captured At:

2025/08/23 01:31 AKDT

2025/08/23 09:31 GMT

Age: 263 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250823.0144

noaa20

Captured At:

2025/08/22 17:44 AKDT

2025/08/23 01:44 GMT

Age: 730 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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npp.20250823.0118

npp

Captured At:

2025/08/22 17:18 AKDT

2025/08/23 01:18 GMT

Age: 756 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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noaa21.20250823.0050

noaa21

Captured At:

2025/08/22 16:50 AKDT

2025/08/23 00:50 GMT

Age: 784 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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noaa20.20250822.2357

noaa20

Captured At:

2025/08/22 15:57 AKDT

2025/08/22 23:57 GMT

Age: 837 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250822.2356

noaa20

Captured At:

2025/08/22 15:56 AKDT

2025/08/22 23:56 GMT

Age: 837 minutes

VIIRS AOD 550

Received at: Unknown

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npp.20250822.2333

npp

Captured At:

2025/08/22 15:33 AKDT

2025/08/22 23:33 GMT

Age: 861 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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VIIRS AOD 550

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GeoTiff

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noaa21.20250822.2306

noaa21

Captured At:

2025/08/22 15:06 AKDT

2025/08/22 23:06 GMT

Age: 888 minutes

VIIRS SO2 Index

Received at: Unknown

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VIIRS Ash Index

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VIIRS AOD 550

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250822.2215

noaa20

Captured At:

2025/08/22 14:15 AKDT

2025/08/22 22:15 GMT

Age: 939 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

Received at: Unknown

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OMPS Ozone

Received at: Unknown

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OMPS Ash-Smoke Index

Received at: Unknown

GeoTiff

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noaa20.20250822.2214

noaa20

Captured At:

2025/08/22 14:14 AKDT

2025/08/22 22:14 GMT

Age: 940 minutes

VIIRS AOD 550

Received at: Unknown

GeoTiff

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npp.20250822.2152

npp

Captured At:

2025/08/22 13:52 AKDT

2025/08/22 21:52 GMT

Age: 962 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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npp.20250822.2151

npp

Captured At:

2025/08/22 13:51 AKDT

2025/08/22 21:51 GMT

Age: 962 minutes

VIIRS AOD 550

Received at: Unknown

GeoTiff

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noaa21.20250822.2126

noaa21

Captured At:

2025/08/22 13:26 AKDT

2025/08/22 21:26 GMT

Age: 988 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250822.2035

noaa20

Captured At:

2025/08/22 12:35 AKDT

2025/08/22 20:35 GMT

Age: 1039 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250822.2034

noaa20

Captured At:

2025/08/22 12:34 AKDT

2025/08/22 20:34 GMT

Age: 1039 minutes

VIIRS AOD 550

Received at: Unknown

GeoTiff

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npp.20250822.2013

npp

Captured At:

2025/08/22 12:13 AKDT

2025/08/22 20:13 GMT

Age: 1060 minutes

VIIRS AOD 550

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GeoTiff

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npp.20250822.2012

npp

Captured At:

2025/08/22 12:12 AKDT

2025/08/22 20:12 GMT

Age: 1062 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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noaa21.20250822.1947

noaa21

Captured At:

2025/08/22 11:47 AKDT

2025/08/22 19:47 GMT

Age: 1087 minutes

VIIRS SO2 Index

Received at: Unknown

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

Received at: Unknown

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noaa21.20250822.1946

noaa21

Captured At:

2025/08/22 11:46 AKDT

2025/08/22 19:46 GMT

Age: 1087 minutes

VIIRS AOD 550

Received at: Unknown

GeoTiff

Large JPG
noaa20.20250822.1857

noaa20

Captured At:

2025/08/22 10:57 AKDT

2025/08/22 18:57 GMT

Age: 1137 minutes

VIIRS SO2 Index

Received at: Unknown

GeoTiff

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VIIRS Ash Index

Received at: Unknown

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

Received at: Unknown

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OMPS Ash-Smoke Index

Received at: Unknown

GeoTiff

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noaa20.20250822.1856

noaa20

Captured At:

2025/08/22 10:56 AKDT

2025/08/22 18:56 GMT

Age: 1137 minutes

VIIRS AOD 550

Received at: Unknown

GeoTiff

Large JPG
npp.20250822.1834

npp

Captured At:

2025/08/22 10:34 AKDT

2025/08/22 18:34 GMT

Age: 1160 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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VIIRS AOD 550

Received at: Unknown

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noaa21.20250822.1809

noaa21

Captured At:

2025/08/22 10:09 AKDT

2025/08/22 18:09 GMT

Age: 1185 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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VIIRS AOD 550

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250822.1718

noaa20

Captured At:

2025/08/22 09:18 AKDT

2025/08/22 17:18 GMT

Age: 1236 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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VIIRS AOD 550

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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npp.20250822.1656

npp

Captured At:

2025/08/22 08:56 AKDT

2025/08/22 16:56 GMT

Age: 1258 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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VIIRS AOD 550

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noaa21.20250822.1630

noaa21

Captured At:

2025/08/22 08:30 AKDT

2025/08/22 16:30 GMT

Age: 1284 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa21.20250822.1629

noaa21

Captured At:

2025/08/22 08:29 AKDT

2025/08/22 16:29 GMT

Age: 1284 minutes

VIIRS AOD 550

Received at: Unknown

GeoTiff

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noaa20.20250822.1540

noaa20

Captured At:

2025/08/22 07:40 AKDT

2025/08/22 15:40 GMT

Age: 1334 minutes

VIIRS AOD 550

Received at: Unknown

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noaa20.20250822.1539

noaa20

Captured At:

2025/08/22 07:39 AKDT

2025/08/22 15:39 GMT

Age: 1335 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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npp.20250822.1517

npp

Captured At:

2025/08/22 07:17 AKDT

2025/08/22 15:17 GMT

Age: 1357 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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noaa21.20250822.1451

noaa21

Captured At:

2025/08/22 06:51 AKDT

2025/08/22 14:51 GMT

Age: 1383 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa21.20250822.1450

noaa21

Captured At:

2025/08/22 06:50 AKDT

2025/08/22 14:50 GMT

Age: 1383 minutes

VIIRS AOD 550

Received at: Unknown

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noaa20.20250822.1359

noaa20

Captured At:

2025/08/22 05:59 AKDT

2025/08/22 13:59 GMT

Age: 1435 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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VIIRS AOD 550

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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npp.20250822.1337

npp

Captured At:

2025/08/22 05:37 AKDT

2025/08/22 13:37 GMT

Age: 1457 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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npp.20250822.1336

npp

Captured At:

2025/08/22 05:36 AKDT

2025/08/22 13:36 GMT

Age: 1457 minutes

VIIRS AOD 550

Received at: Unknown

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noaa21.20250822.1310

noaa21

Captured At:

2025/08/22 05:10 AKDT

2025/08/22 13:10 GMT

Age: 1484 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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VIIRS AOD 550

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250822.1219

noaa20

Captured At:

2025/08/22 04:19 AKDT

2025/08/22 12:19 GMT

Age: 1535 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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VIIRS AOD 550

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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npp.20250822.1156

npp

Captured At:

2025/08/22 03:56 AKDT

2025/08/22 11:56 GMT

Age: 1558 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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VIIRS AOD 550

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noaa21.20250822.1130

noaa21

Captured At:

2025/08/22 03:30 AKDT

2025/08/22 11:30 GMT

Age: 1584 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa21.20250822.1129

noaa21

Captured At:

2025/08/22 03:29 AKDT

2025/08/22 11:29 GMT

Age: 1584 minutes

VIIRS AOD 550

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noaa20.20250822.1039

noaa20

Captured At:

2025/08/22 02:39 AKDT

2025/08/22 10:39 GMT

Age: 1635 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250822.1038

noaa20

Captured At:

2025/08/22 02:38 AKDT

2025/08/22 10:38 GMT

Age: 1635 minutes

VIIRS AOD 550

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npp.20250822.1016

npp

Captured At:

2025/08/22 02:16 AKDT

2025/08/22 10:16 GMT

Age: 1658 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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npp.20250822.1015

npp

Captured At:

2025/08/22 02:15 AKDT

2025/08/22 10:15 GMT

Age: 1658 minutes

VIIRS AOD 550

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noaa21.20250822.0950

noaa21

Captured At:

2025/08/22 01:50 AKDT

2025/08/22 09:50 GMT

Age: 1684 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250822.0900

noaa20

Captured At:

2025/08/22 01:00 AKDT

2025/08/22 09:00 GMT

Age: 1734 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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npp.20250822.0139

npp

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2025/08/21 17:39 AKDT

2025/08/22 01:39 GMT

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VIIRS SO2 Index

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noaa21.20250822.0110

noaa21

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noaa20.20250822.0016

noaa20

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2025/08/21 16:16 AKDT

2025/08/22 00:16 GMT

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npp.20250821.2352

npp

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noaa21.20250821.2326

noaa21

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2025/08/21 15:26 AKDT

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noaa21.20250821.2325

noaa21

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2025/08/21 23:25 GMT

Age: 2308 minutes

VIIRS AOD 550

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noaa20.20250821.2234

noaa20

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2025/08/21 14:34 AKDT

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noaa20.20250821.2232

noaa20

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2025/08/21 14:32 AKDT

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VIIRS AOD 550

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npp.20250821.2210

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noaa21.20250821.2144

noaa21

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2025/08/21 13:44 AKDT

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noaa20.20250821.2053

noaa20

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2025/08/21 12:53 AKDT

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npp.20250821.2031

npp

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npp.20250821.2030

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VIIRS AOD 550

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noaa21.20250821.2005

noaa21

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2025/08/21 12:05 AKDT

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noaa20.20250821.1915

noaa20

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2025/08/21 11:15 AKDT

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npp.20250821.1853

npp

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npp.20250821.1852

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VIIRS AOD 550

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noaa21.20250821.1827

noaa21

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2025/08/21 10:27 AKDT

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noaa21.20250821.1826

noaa21

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2025/08/21 10:26 AKDT

2025/08/21 18:26 GMT

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VIIRS AOD 550

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noaa20.20250821.1737

noaa20

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2025/08/21 09:37 AKDT

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npp.20250821.1715

npp

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npp.20250821.1714

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VIIRS AOD 550

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noaa21.20250821.1649

noaa21

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2025/08/21 08:49 AKDT

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noaa21.20250821.1648

noaa21

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Age: 2705 minutes

VIIRS AOD 550

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noaa20.20250821.1558

noaa20

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2025/08/21 07:58 AKDT

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noaa20.20250821.1557

noaa20

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2025/08/21 07:57 AKDT

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Age: 2756 minutes

VIIRS AOD 550

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npp.20250821.1536

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2025/08/21 07:36 AKDT

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VIIRS AOD 550

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npp.20250821.1535

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2025/08/21 07:35 AKDT

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noaa21.20250821.1509

noaa21

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2025/08/21 07:09 AKDT

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noaa20.20250821.1418

noaa20

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2025/08/21 06:18 AKDT

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noaa20.20250821.1417

noaa20

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2025/08/21 06:17 AKDT

2025/08/21 14:17 GMT

Age: 2856 minutes

VIIRS AOD 550

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npp.20250821.1355

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2025/08/21 05:55 AKDT

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noaa21.20250821.1329

noaa21

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2025/08/21 05:29 AKDT

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VIIRS SO2 Index

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noaa20.20250821.1238

noaa20

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2025/08/21 04:38 AKDT

2025/08/21 12:38 GMT

Age: 2956 minutes

VIIRS SO2 Index

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npp.20250821.1215

npp

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2025/08/21 04:15 AKDT

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Age: 2979 minutes

VIIRS SO2 Index

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noaa21.20250821.1149

noaa21

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VIIRS SO2 Index

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noaa20.20250821.1058

noaa20

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2025/08/21 02:58 AKDT

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Age: 3056 minutes

VIIRS SO2 Index

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npp.20250821.1035

npp

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2025/08/21 02:35 AKDT

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Age: 3079 minutes

VIIRS SO2 Index

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noaa21.20250821.1009

noaa21

Captured At:

2025/08/21 02:09 AKDT

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Age: 3105 minutes

VIIRS SO2 Index

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noaa20.20250821.0918

noaa20

Captured At:

2025/08/21 01:18 AKDT

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Age: 3156 minutes

VIIRS SO2 Index

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npp.20250821.0856

npp

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2025/08/21 00:56 AKDT

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Age: 3178 minutes

VIIRS SO2 Index

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noaa21.20250821.0130

noaa21

Captured At:

2025/08/20 17:30 AKDT

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Age: 3624 minutes

VIIRS SO2 Index

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noaa20.20250821.0036

noaa20

Captured At:

2025/08/20 16:36 AKDT

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Age: 3678 minutes

VIIRS SO2 Index

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npp.20250821.0012

npp

Captured At:

2025/08/20 16:12 AKDT

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Age: 3702 minutes

VIIRS SO2 Index

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noaa21.20250820.2345

noaa21

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2025/08/20 15:45 AKDT

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Age: 3729 minutes

VIIRS SO2 Index

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noaa20.20250820.2253

noaa20

Captured At:

2025/08/20 14:53 AKDT

2025/08/20 22:53 GMT

Age: 3781 minutes

VIIRS SO2 Index

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npp.20250820.2229

npp

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2025/08/20 14:29 AKDT

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Age: 3805 minutes

VIIRS SO2 Index

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noaa21.20250820.2203

noaa21

Captured At:

2025/08/20 14:03 AKDT

2025/08/20 22:03 GMT

Age: 3831 minutes

VIIRS SO2 Index

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noaa20.20250820.2112

noaa20

Captured At:

2025/08/20 13:12 AKDT

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Age: 3882 minutes

VIIRS SO2 Index

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npp.20250820.2049

npp

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2025/08/20 12:49 AKDT

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Age: 3905 minutes

VIIRS SO2 Index

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noaa21.20250820.2024

noaa21

Captured At:

2025/08/20 12:24 AKDT

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Age: 3930 minutes

VIIRS SO2 Index

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OMPS Reflective 331

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noaa20.20250820.1933

noaa20

Captured At:

2025/08/20 11:33 AKDT

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Age: 3981 minutes

VIIRS SO2 Index

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OMPS Reflective 331

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npp.20250820.1911

npp

Captured At:

2025/08/20 11:11 AKDT

2025/08/20 19:11 GMT

Age: 4003 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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noaa21.20250820.1845

noaa21

Captured At:

2025/08/20 10:45 AKDT

2025/08/20 18:45 GMT

Age: 4029 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250820.1755

noaa20

Captured At:

2025/08/20 09:55 AKDT

2025/08/20 17:55 GMT

Age: 4079 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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npp.20250820.1733

npp

Captured At:

2025/08/20 09:33 AKDT

2025/08/20 17:33 GMT

Age: 4101 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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noaa21.20250820.1707

noaa21

Captured At:

2025/08/20 09:07 AKDT

2025/08/20 17:07 GMT

Age: 4127 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250820.1617

noaa20

Captured At:

2025/08/20 08:17 AKDT

2025/08/20 16:17 GMT

Age: 4177 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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npp.20250820.1554

npp

Captured At:

2025/08/20 07:54 AKDT

2025/08/20 15:54 GMT

Age: 4200 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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noaa21.20250820.1528

noaa21

Captured At:

2025/08/20 07:28 AKDT

2025/08/20 15:28 GMT

Age: 4226 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250820.1437

noaa20

Captured At:

2025/08/20 06:37 AKDT

2025/08/20 14:37 GMT

Age: 4277 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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npp.20250820.1414

npp

Captured At:

2025/08/20 06:14 AKDT

2025/08/20 14:14 GMT

Age: 4300 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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noaa21.20250820.1348

noaa21

Captured At:

2025/08/20 05:48 AKDT

2025/08/20 13:48 GMT

Age: 4326 minutes

VIIRS SO2 Index

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VIIRS Ash Index

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OMPS SO2 Trm

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OMPS Reflective 331

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OMPS Ozone

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OMPS Ash-Smoke Index

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noaa20.20250820.1257

noaa20

Captured At:

2025/08/20 04:57 AKDT

2025/08/20 12:57 GMT

Age: 4377 minutes

VIIRS Ash Index

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