The air quality index (AQI) in many LA regions looks good, but that doesn't mean the air is safe. Why it matters: The AQI in ...

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

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

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

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

Air quality in wildfire-stricken Los Angeles improved on Thursday from hazardous peaks hit earlier this month, as tiny soot ...

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

At 11am, the AQI was 245, which deteriorated slightly to 263 by 7pm. The overall air quality index showed a slight lowering ...

New Delhi: After two days of moderate air quality, the air quality in the national capital has again deteriorated, falling ...