After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

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

Recent data from the Environmental Protection Agency shows air quality in certain regions of the U.S. is deteriorating, ...

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, provide a rough sense of the ...

Delhi and its surrounding regions are once again grappling with deteriorating air quality. The Air Quality Index (AQI), a ...

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.

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

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

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