Key Takeaway
Hourly concentrations of particulate matter rose to 6. 7 times their pre-fireworks levels, according to an analysisWashington DC residents breathed in “unhealthy” air for hours after a 40-minute Independence Day fireworks show over the National Mall on Saturday night, with the country’s capital briefly recording the worst air quality of any major city in the world.
Published July 7, 2026 · Category: News
Overview
Hourly concentrations of particulate matter rose to 6.7 times their pre-fireworks levels, according to an analysis
Washington DC residents breathed in “unhealthy” air for hours after a 40-minute Independence Day fireworks show over the National Mall on Saturday night, with the country’s capital briefly recording the worst air quality of any major city in the world.
Details
The highly emitting display, which the president called “spectacular”, came as the Trump administration rolls back an unprecedented number of pollution controls.
Continue reading...
Source
Originally published at www.theguardian.com.
Related Articles
Frequently Asked Questions
What is "Washington records world’s worst air quality for a city after over 850,000 Fourth of July fireworks" about?+
Hourly concentrations of particulate matter rose to 6.7 times their pre-fireworks levels, according to an analysisWashington DC residents breathed in “unhealthy” air for hours after a 40-minute Independence Day fireworks show over the National Mall on Saturday night, with the country’s capital briefly recording the worst air quality of any major city in the world.The highly emitting display, which the president called “spectacular”, came as the Trump administration rolls back an unprecedented nu
Who reported this story?+
This story was reported by The Guardian World.