With bigger fireworks celebrations across the US, cities are expected to experience poor air quality under historic heat.

Washington D.C.’s Freedom 250 celebration shattered records with nearly a million fireworks in 40 minutes, but the spectacle ...

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

The United States is set to launch a record-breaking 850,000 fireworks for its 250th Independence Day celebration, but scientists warn the massive display could trigger dangerous air pollution spikes, ...

The National Park Service will launch a dazzling 850,000 fireworks in the nation's capital this year. Officials acknowledge the potential health risks.

The U.S. capital, Washington, saw its worst air quality of the year over the July 4 weekend, as smoke from a massive fireworks display sent pollution soaring to levels considered very unhealthy for ...

For the nation's semi-quincentennial, Rehoboth Beach advertised an over 6,000-shell show by Zambelli Fireworks. The city paid over $57,000 for it. At dusk the day after Independence Day in "The Nation ...

Hourly concentrations of particulate matter rose to 6.7 times their pre-fireworks levels, according to an analysis ...

Washington was briefly the most polluted major city in the world, according to IQAir data, after a massive Independence Day ...

Add Yahoo as a preferred source to see more of our stories on Google. Fireworks are seen over the National Mall after the "UFC Freedom 250" event at the White House on Monday, June 15, 2026. - Tom ...