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

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

Washington, D.C., and the surrounding area were placed under a “Code Red” air quality alert on Sunday after a record-breaking ...

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

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

Washington D.C.'s Freedom 250 celebration shattered records with nearly a million fireworks in 40 minutes, but the spectacle sparked alarm among wildlife experts who say the consequences for local ...

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.

D.C. residents found themselves stuck inside, fearing for their health and safety, following Donald Trump's massive display ...

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

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 ...