Biden orders more firefighters, aid to Canada as smoke engulfs Washington
Biden called the Canadian wildfires a "stark reminder" of climate change.
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Biden called the Canadian wildfires a "stark reminder" of climate change.
The air quality in Arlington has reached the worst level on the scale -- "hazardous." As of 9 a.m. the federal government website AirNow says Arlington's AQI, or air quality index, is 313. That puts the county in "Code Maroon" territory, two levels above the more commonly known Code Red. "Everyone should stay indoors and
Philadelphia had the worst air quality of any city in the world on Wednesday night, as levels hit 447 on the EPA's air quality index, reaching a Code Maroon. But a meteorologist with the National Weather Service said the 'worst is behind us' as conditions improved Thursday morning to a Code Purple.
In the recent past, the DC area typically saw 20 or more Code Red days every summer. What changed?
Canadian wildfires prompted a near-unprecedented health alert throughout the D.C. region on Thursday, as a slow-moving shroud of smoke sent air quality plummeting to its lowest point in decades.