Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

Pollution levels in certain parts of the US are soaring to dangerous levels with vulnerable people being advised to avoid ...

Cities in California make up a significant proportion of the country's most polluted metropolitan areas when it comes to air ...

Several U.S. cities are experiencing heightened air pollution levels on Wednesday, including parts of Chicago.

Not everyone was reporting the dangerous air quality levels, though. The Environmental Protection Agency’s AirNow is a go-to ...

Over half of U.S. counties lack air quality monitoring stations, exposing 50.7 million people, especially in rural and ...

Shifting winds have been pushing smoke and tiny particles from the big Ocean County wildfire north towards New York City, ...

The wildfire has set over thousands of acres ablaze, but firefighters announced that some residents were able to return to ...

Air pollution is a bigger problem in Washington state than many may realize. That needs to change.

Handing out regulatory exemptions to polluters provides the Trump EPA time to dismantle years of regulatory work toward ...

Thousands of events are scheduled across the globe to celebrate Earth Day on Tuesday, April 22. Here's a handful happening in ...