A fire at the Owl Metals recycling facility that caused the Peninsula Expressway to shut down last week is still causing an air quality alert, according to the Maryland Department of the Environment.

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

PHNOM PENH, Jan. 24 (Xinhua) -- Air quality in Cambodia's capital Phnom Penh and three provinces has declined due to an increase in PM2.5 inert particles in the air, a spokesperson for the Ministry of ...

Erin Davis/Axios Visuals Air quality is worsening in the Upper Midwest and Northern California, according to year-over-year data. Why it matters: Poor air quality can lead to long-term health problems ...

In the aftermath of L.A.’s most destructive wildfires, air quality experts warn that families should be prepared for the “disaster after the disaster” — ...

A wildfire erupted near Castaic Lake Wednesday, sending plumes of smoke into neighboring Ventura County areas. Here's what to ...

Invested in the future of Petersburg? Learn how one educators’s non-profit is fighting food insecurity and empowering the ...

Dust and ash left behind from the wildfires across Southern California can be irritating and hazardous when inhaled.

Wear a tight-fitting N95 mask at the bare minimum, but a P100 is better, experts say. Wear long sleeves, eye protection, closed-toed shoes and cut-resistant gloves. Clean or decontaminate anything ...

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

Officials are warning of windblown ash and other pollutants from Los Angeles-area fires and say air quality readers won't ...

With the return of the strong Santa Ana winds in Los Angeles County, the air quality will be changing quickly, especially for ...