Washington is under very unhealthy air alerts after a massive, 40-minute fireworks display organized by the Trump-backed nonprofit Freedom 250, and hospitals and emergency medical services report hundreds of patient contacts possibly tied to heat and smoke.The Metropolitan Washington Council of Governments issued a purple alert and internal National Park Service documents warned the scale and locations of the display—launched from about ten sites including the Lincoln Memorial Reflecting Pool and Potomac barges—could create very unhealthy conditions and recommended N95 masks.IQAir places Washington among the world’s most polluted cities after July Fourth displays, other US cities recorded spikes, organizers have sought
Guinness World Records certification that remains unconfirmed, and meteorologists say coming thunderstorms may help disperse smoke.