Washington, D.C., issued a Code Red air quality alert after the July 4 fireworks celebration, with officials advising ...

Residents of Washington, DC, on Sunday briefly experienced the worst air quality of any major city in the world, according to ...

As the United States celebrated the Fourth of July, residents of Washington, DC, on Sunday briefly experienced the worst air ...

President Donald Trump’s America 250 celebration may have left some Washington, D.C. residents trapped indoors as the ...

The Fourth of July fireworks display in the capital impacted the amount of fine particulate matter in the atmosphere.

An air quality alert has been issued for the D.C. area by the Metropolitan Washington Council of Governments and District ...

Historic fireworks and light winds could leave D.C. with hazy skies and reduced air quality Saturday night. Here's what the weather says to expect.

For the MAGA-aligned "Freedom 250" Independence Day celebration, Trump insisted on 850,000 fireworks — 120 times the normal ...

A Code Red Air Quality Alert has been issued for the District for Sunday, July 5, as officials warn of unhealthy air ...