Chiang Mai, a city in northern Thailand popular with tourists, faces seasonal spikes in air pollution.
Published Apr 8, 2024Many cities have shortages of air quality monitors. NASA scientists have developed a tool called GEOS-CF that can help.
Published Nov 30, 2023Even with fewer fires than normal in fall 2023, poor air quality plagued the region.
Published Nov 20, 2023Flanked by mountain ranges on three sides, the basin in northwestern China sees frequent dust storms.
Published Nov 14, 2023Satellite observations show that students of color in the U.S. attend public schools with higher concentrations of air pollution than their white peers.
Published Nov 1, 2023Fierce fires in Canada are the source of smoke that has swirled across much of the continent.
Published May 24, 2023NASA research finds that a combination of windblown dust and human-caused particle pollution was associated with nearly 3 million premature deaths in 2019.
Published Mar 17, 2023A team of scientists mapped nitrogen dioxide in California’s air at the neighborhood scale and found hotspots of the air pollutant near high-rise buildings and food processing facilities.
Published Mar 7, 2023In the wake of a cold front, strong winds lofted dust into the air over northern Mexico, eastern New Mexico, and northwestern Texas.
Published Mar 1, 2023Snowy surfaces increase the chance of temperature inversions, which contribute to air quality problems in the Salt Lake City area.
Published Feb 16, 2023The waters of an ancient lake once pooled in this basin in southwestern China. Now haze and air pollution do the same.
Published Feb 2, 2023A rare December sandstorm in China darkened skies in several cities.
Published Dec 13, 2022Seasonal fires and a mix of other pollutants darkened skies in Delhi and beyond.
Published Nov 3, 2022Image of the Day Atmosphere Land Human Presence Remote Sensing
A global standard limiting sulfur in ship fuel reduced artificial “ship track” clouds to record-low levels in 2020. Pandemic-related disruptions played a secondary role.
Published Oct 19, 2022Image of the Day Atmosphere Water Human Presence Remote Sensing
Scientists and regulators are using satellite data and custom models from NASA to help monitor ozone pollution.
Published Jul 28, 2022The widespread adoption of cleaner-burning technologies and declines in fire activity over the past two decades has drawn down global levels of the pollutant.
Published May 26, 2022A new satellite-derived dataset links concentrations of fine particulate matter in air pollution with health outcomes in cities around the world.
Published Mar 15, 2022Image of the Day Atmosphere Life Human Presence Remote Sensing
A new satellite-derived global dataset links concentrations of nitrogen dioxide with cases of pediatric asthma in urban areas around the world.
Published Mar 14, 2022Image of the Day Atmosphere Life Human Presence Remote Sensing
New research shows that neighborhoods in Washington, D.C., with more people of color are exposed to more air pollution and have higher rates of disease.
Published Nov 9, 2021Image of the Day Atmosphere Land Life Human Presence Remote Sensing
Satellite observations of nitrogen dioxide near key U.S. ports suggest that increased shipping activity and backlogs may be affecting air quality.
Published Oct 27, 2021Image of the Day Atmosphere Dust and Haze Human Presence Remote Sensing
Dust storms and other weather phenomena offset some reductions in PM2.5 aerosol pollution.
Published Jun 25, 2021Changes in fire patterns have led to seasonal reductions in nitrogen dioxide pollution.
Published Mar 14, 2021With most lockdowns ending and economic activity resuming, levels of the air pollutant have returned to near normal for this time of year.
Published May 22, 2020Image of the Day Atmosphere Life Dust and Haze Human Presence Remote Sensing
Satellite data show that aerosol levels have dropped significantly since the COVID-19 lockdown began.
Published Apr 20, 2020Image of the Day Atmosphere Dust and Haze Human Presence Remote Sensing
NO2 amounts have dropped with the coronavirus quarantine, Chinese New Year, and a related economic slowdown.
Published Feb 28, 2020Image of the Day Atmosphere Life Dust and Haze Human Presence Remote Sensing
