Environmental Protection Agency Administrator Lee Zeldin on Wednesday announced nearly three dozen deregulatory moves that he ...

Air quality index is used by government agencies to communicate to the public how polluted the air is. Public health risks increase as the AQI rises. Eight pollutants namely particulate matter PM10, ...

Air quality index is used by government agencies to communicate to the public how polluted the air is. Public health risks increase as the AQI rises. Eight pollutants namely particulate matter PM10, ...

This is based off the five major air pollutants regulated by the Clean Air Act: ground-level ozone, particle pollution (particulate matter), carbon monoxide, sulfur dioxide and nitrogen dioxide. The ...

Now, Colorado is taking a major step to protect people from air pollutants that cause cancer or other major health problems, called “air toxics.” For the first time, the state is developing ...

Both rules were part of a wider suite of regulations set by the Biden administration to stem greenhouse gas and other air pollutants from the transportation sector, and Trump has vowed to prioritize ...

Here, we asked the lead author to give an overview of the major findings thus far, how scientists studied this event, and what questions remain. What are the primary air pollutants and why are ...

Copyright 2025 The Associated Press. All Rights Reserved. Traffic flows on Interstate 435 on Sept. 25, 2024, in Leawood, Kan. (AP Photo/Charlie Riedel, File) The ...

This is based off the five major air pollutants regulated by the Clean Air Act: ground-level ozone, particle pollution (particulate matter), carbon monoxide, sulfur dioxide and nitrogen dioxide.

It could have major climate repercussions ... Under Section 202(a) of the Clean Air Act, the EPA can regulate air pollutants if it finds that they “cause, or contribute to, air pollution ...