The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...

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

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

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

Air quality in Los Angeles has improved as the Palisades and Eaton wildfires get under control. But as the fires burned ...

In Pasadena, the AQI went from a high 293 (a rating of “very unhealthy”) on January 11 to a low of 30 (a “good” rating) the ...

The Centre's panel invoked Stage 3 of the Graded Response Action Plan due to severe air pollution in Delhi-NCR. Restrictions ...