Higher levels of air pollution are associated with slower average marathon finish times, according to findings published ...

Philadelphia officials are warning residents that air quality around the city's Frankford section could be impacted by a ...

The Northeast Ohio Areawide Coordinating Agency has issued an Air Quality Advisory for multiple Northeast Ohio Counties going ...

An Air Quality Advisory has been issued for Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina, Portage and Summit Counties until midnight Thursday.

A huge 3-alarm fire in a business has taken on an additional problem in Frankford as residents are warned to remain indoors ...

An air quality alert was issued on Friday at 2:34 p.m. in effect until Sunday at midnight. The alert is for San Bernardino ...

The Clark County Department of Environment and Sustainability has issued an air quality advisory for Tuesday, Dec. 31, and ...

The financial capital has been affected by extreme air pollution and has experienced one of its most contaminated months, ...

Home air purifiers can help clear your indoor air of wildfire smoke, allergens, pet odors and more. Here’s what you need to ...

At approximately 2:20 a.m. Monday, the Kīlauea volcano began erupting in Hawaiʻi Volcanoes National Park. According to the ...

According to officials, health department inspectors collected an air sample "in the immediate vicinity of the fire" before ...

The air quality index (AQI) in the national capital region deteriorated to 353 on Friday, from 345 a day earlier, remaining ...