Google and Apple both issued rare alerts to their users this week, warning them that the air quality in Chicago had reached ...

PITTSBURGH — The greater Pittsburgh metropolitan area is among the 25 regions in the country with the worst air pollution, ...

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

The American Lung Association has released its annual “State of the Air” report and several major cities are among the worst in the nation for year-round particle pollution, also known as ...

A new report suggests that almost half of Americans are breathing unhealthy air, and that the problem will only worsen from ...

A new charging station is a step forward in the electric trucking transition, but the industry faces headwinds from Trump's ...

The American Lung Association report finds that climate events are causing more people in the U.S. to breathe toxic air even as other pollution falls.

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

Winds are expected to shift Wednesday afternoon and Wednesday night, so smoke and smoky odors will likely drift across ...

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

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