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 ...

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

As per the daily AQI bulletin released by the Central Pollution Control Board, Chandigarh’s AQI on Wednesday was 167 ...

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

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

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.

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

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

The Central Pollution Control Board (CPCB) reported that the Air Quality Index (AQI) in the national capital stands at 247, ...

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