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

The Pursat Provincial Department of Environment has urged residents to stop burning solid waste at home or setting fires in ...

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

Bryan Johnson said the recording room’s AQI was 130, with PM2.5 levels at 75 µg/m³ — roughly equivalent to smoking 3.4 ...

In the wake of the Palisades and Eaton fires, concerns about air quality across the county have been on the rise.

Weather conditions are trapping smoke and other air pollutants near the ground where people breathe, officials said.

An air quality alert was issued on Tuesday at 5:03 a.m. for Josephine County.

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

VIENTIANE: Air quality in several areas of Laos has deteriorated, with PM2.5 levels reaching thresholds that pose health ...

The India Meteorological Department has issued warnings for dense fog and thunderstorms in some northern regions. Air quality ...

Dust and ash left behind from the wildfires across Southern California can be irritating and hazardous when inhaled.