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

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.

Philadelphia officials say residents can return their normal routines after a fire in the city's Frankford section prompted ...

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 ...

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

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

Analyzing 16 years of race results and air pollution levels, a team of researchers at the Brown University School of Public ...

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

A new study from the University of Birmingham shows that aerosols from cooking oil can linger in the atmosphere longer than ...

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

An air quality alert was issued on Friday at 11:57 a.m. in effect until Sunday at midnight. The alert is for Catalina and ...