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

Indicators like the Air Quality Index (AQI), commonly used to track air pollution levels ... temporal density to tell us what ...

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

Earlier, Grap-3 restrictions were reimposed in Delhi after the city's AQI dropped to 'severe' level on Wednesday (January 29) ...

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

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

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

Although the overall AQI of Mumbai has improved to ‘Moderate’ level, the BMC has been failing to address the air pollution in ...

Air quality in San Francisco is improving, according to an Axios analysis of year-over-year EPA data. Why it matters: Long-term exposure to poor air quality is harmful to your health. A growing body ...

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