Air Quality & Pollution

Tracking soot across Asia: Photo of smog over South Delhi
October 12, 2015
Research finds that the Indian monsoon transports black carbon pollutants across the country, with levels spiking in densely populated areas.
Forecasting air quality: photo of Los Angeles in summer smog
March 11, 2015
NCAR and its research partners have received a $1.3 million NASA grant to develop the capability for detailed 48-hour forecasts of ground-level ozone and fine particulate matter.
Air quality in WINTER: Map highlighting research areas for WINTER field campaign
February 02, 2015
A major field project in the Eastern United States, supported by NCAR, seeks to better understand air pollution during winter.
Thunderstorms and ozone:  A rotating supercell thunderstorm moves across northeast Colorado.
January 07, 2015
Scientists find unequivocal evidence that thunderstorms move ozone from the stratosphere down toward Earth's surface, affecting air quality and climate.
Ozone concentrations above the Arctic in March 2011
November 05, 2014
A circulation change has boosted concentrations of hydrogen chloride (HCl), the main reservoir of chlorine in the stratosphere, by several percent over much of the Northern Hemisphere since 2007.
View of Antarctic sky from NSF/NCAR HIAPER research jet
September 12, 2014
In a surprising finding, a research team concludes that the dominant "detergent" in the atmosphere is equally abundant in the northern and southern hemispheres.
Ground-level ozone's toll: A traffic jam in Delhi, India
September 08, 2014
Ozone pollution in India is damaging millions of tons of the country’s major crops, according to a new study by an international team of researchers. The pollution caused losses of more than $1 billion in a single year, destroying enough food to feed an estimated 94 million people.

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The University Corporation for Atmospheric Research manages the National Center for Atmospheric Research under sponsorship by the National Science Foundation. Any opinions, findings and conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

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