Air quality in Pittsburgh is improving, according to year-over-year data. Why it matters: Long-term exposure to poor air quality is harmful to your health and has been a problem in Pittsburgh for ...

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

Oregon DEQ issues air quality advisory for several counties due to air stagnation trapping smoke and pollutants.

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

The Oregon Department of Environmental Quality issued an air quality advisory for Eastern Lane, Eastern Linn, Eastern Marion, ...

Cambodia on Saturday urged people to be extra vigilant against high air pollution, saying that they should wear masks for o ...

Hanoi authorities are under significant pressure to improve air quality, particularly as the city rotates in and out of the ...

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

The Oregon Department of Environmental Quality issued an air quality advisory for La Pine Tuesday due to stagnant air ...

This post was updated Jan. 20 at 10:09 p.m. Wildfires in the Pacific Palisades have burned over 6,000 structures, releasing ...

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There's confusion over how safe air quality is in L.A. as fires continue to burn, spewing wildfire smoke and toxins. We look at air quality readings, what's real and what's not and what people can do.