Specialized air quality instruments captured a spike in lead, chlorine, and bromine pollution during the L.A. wildfires.

Recent data from the Environmental Protection Agency shows air quality in certain regions of the U.S. is deteriorating, ...

Even though the Palisades and Eaton fires are now mostly contained, the Santa Ana winds have led to new fires flaring up ...

The Inland Northwest is stuck under a ridge of high-pressure and will stay under this ridge for the next several days.

Hanoi authorities are under significant pressure to improve air quality, particularly as the city rotates in and out of the ...

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...