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

Erin Davis/Axios Visuals Breathe easy, Philly, because our air quality is on the up and up. Why it matters: Long-term exposure to poor air quality is harmful to your health. State of play: The average ...

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

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

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

However, the Air Quality Early Warning System for Delhi has predicted a decline, with AQI expected to fall into the ‘poor’ ...

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

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

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

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

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