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.

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 anti-pollution restrictions under Stage 3 of the Graded Response Action Plan (GRAP) were revoked on Friday (27 December) ...

As families prepare to celebrate the holiday season, Clark County's Department of Environment & Sustainability (DES) is ...

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 ...

At least seven stations recorded ‘poor’ air quality as the AQI breached the 200-mark during the morning hours. After Worli, ...