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

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

"They don't have the spatial density or indeed sometimes the temporal density to tell us what's really happening on the kind ...

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

At ground level, however, high concentrations pose a health and environmental threat. It is also one of the principal components of smog. Ozone levels are generally higher in summer, during hot ...

Delhi and neighboring areas received overnight rain, and the India Meteorological Department forecasts rain and thunderstorms till Sunday. Dense fog is causing delayed train services. Air quality is ...

The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) ...

Blowing dust may result in air quality index levels that are unhealthy for sensitive groups or worse. The winds may disperse ash from the Palisades and Eaton fires, which have burned a combined ...

Share on Pinterest If you live in an area where you may be exposed to wildfire smoke, check your local Air Quality Index (AQI) before exercising outdoors. Jay L. Clendenin/Getty Images Wildfire ...

Air pollution is the biggest environmental health risk of our time. It also exacerbates climate change, causes economic losses, and reduces agricultural productivity. It knows no borders ...