Internal U.S. National Park Service documents reportedly advise people to “avoid prolonged exposure” to the expected pollution near D.C.'s National Mall on July 4 This year's Fourth of July fireworks ...
Add Yahoo as a preferred source to see more of our stories on Google. The fireworks display in Washington, D.C., to celebrate America's 250th anniversary sparked a new record. Thunderstorms delayed ...
This year's Fourth of July fireworks in Washington, D.C., are expected to cause hazardous pollution levels and "very unhealthy" conditions, per National Park Service documents The organization has ...
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