The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...

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

AirNow is a collaborative effort of federal agencies that provides air quality data across the U.S. The site also has ...

Vietnam’s capital has been blanketed in toxic air for weeks with one index briefly making Hanoi the world’s most-polluted ...

Smoke from the wildfires can wreak havoc on your health. Here are tips to stay safe.

The Department of Environment (DoE) has advised the residents of the capital and surrounding areas to wear face masks while ...

Several active wildfires in Los Angeles have led to at times “unhealthy” air quality on campus, Chief Campus Health Officer ...

NCR's air quality has revoked curbs under Stage 4 of the GRAP due to improved pollution levels. The previous measures included construction bans, diesel truck prohibitions, and hybrid schooling, ...