The announcement is a key step in Trump’s broader efforts to unwind environmental regulations he views as unnecessary ...

Puneites were exposed to unhealthy air for 57 out of 89 days, according to the Centre for Research on Energy and Clean Air ...

Trump also revoked two other Biden-era waivers from California Thursday. Those would have allowed California to require ...

Emission control systems in modern cars have slashed air pollutants such as particulate matter and nitrogen oxides.

Wisconsin might lose federal funding that supports state staff working to keep air, water and lands clean under proposed budget cuts to the Environmental Protection Agency.

It’s not just hot — it’s hazardous. Air quality across New Jersey and New York is expected to be unhealthy for sensitive ...

Columbus' air quality is once again expected to become unhealthy for sensitive groups on June 12 due to smoke and ozone production, according to the Mid-Ohio Regional Planning Commission.

The EPA's proposal to repeal power plant emission limits faces backlash from environmental and health organizations.

Air quality alerts were issued for 10 states across the U.S. on Thursday, with officials in some states advising residents to take actions to reduce air pollution. Specialists warn that deteriorating ...

The National Weather Service reported an air quality alert at 9 a.m. on Thursday in effect until 8 p.m. for Westmoreland Ridges and Fayette Ridges as well as Butler, Beaver, Allegheny, Armstrong, ...