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Air Quality News

Articles, resources, and announcements from Air Quality.
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True-color corrected reflectance image of smoke emanating from wildfires in Georgia, USA on 21 April 2026 from the VIIRS instrument aboard the NOAA-21 satellite.

Wildland Fires in Georgia

The VIIRS instrument aboard the NOAA-21 platform captured this image on April 21, 2026.
Worldview Image of the Week
April 24, 2026
This map shows TEMPO observations of nitrogen dioxide plumes over Los Angeles County on January 8, 2025, during the Palisades and Eaton Fires.

TEMPO Data Available as ArcGIS Image Services

Several pollutants measured by TEMPO are available as ArcGIS image services, including nitrogen dioxide vertical column troposphere, formaldehyde vertical column, ozone total column, and cloud fraction.
News
April 1, 2026
Integrated Multi-satellitE Retrievals for Global Precipitation Measurement (IMERG) Late precipitation anomalies expressed as departures from the climatological mean (base period 2000-2021) for South America during August 2022.

Brazilian Wildfires Captured by NASA TROPESS

The NASA TRopospheric Ozone and Precursors from Earth System Sounding (TROPESS) project captures trace-gas emissions associated with the August 2022 Amazon fires.
Blog
March 27, 2026
This map of North America shows the ocean colored blue and land in shades of green. Hundreds of green dots are plotted across the land to show the locations of air quality sensors.

High Value Air Quality Data From Inexpensive Sensors

NASA has a new dataset built from ground-based sensor packages that cost less than $1,000. The data have potential for validating satellite measurements and providing local details for pollution studies.
News
March 18, 2026
High aerosol index over France due to Saharan dust on 5 March 2026 from the OMPS instrument aboard the joint NASA/NOAA Suomi NPP satellite.

Saharan Dust over Western Europe

The OMPS instrument aboard the NASA/NOAA Suomi NPP platform captured imagery and data on March 5, 2026.
Worldview Image of the Week
March 6, 2026
MOPITT instrument data

MOPITT is Retiring

After 25 years, the Measurements Of Pollution In The Troposphere (MOPITT) instrument ceased observing carbon monoxide (CO) in the atmosphere on Feb. 1, 2025.
News
May 6, 2025
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