Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels, provide a rough sense of the ...

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

Those groups particularly sensitive to particulate matter in the air may want to limit time outside Friday and Saturday.

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

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

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

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

KCRW and R&S Kayne Foundation Los Angeles held a public information panel and Q&A session regarding immediate and long-term ...

With the return of the strong Santa Ana winds in Los Angeles County, the air quality will be changing quickly, especially for ...

Experts say that even after fires are contained and extinguished, health risks from ash, smoke, and toxic materials, ...

The air quality in the national capital has once again deteriorated, falling into the 'very poor' category on Wednesday ...