Wildfire smoke from Canada is creating dangerous air quality across the DMV, with D.C. monitors showing Code Purple ...

Wildfire smoke from Canada and Minnesota has led to a Code Purple alert for Pennsylvania on July 17. See the air quality map.

Pittsburgh was under a Code Purple due to very unhealthy air quality on July 17.

Pittsburgh was under a "Code Red" air quality alert July 16 as wildfire smoke hits the city. What that means.

Wildfire smoke is creating dangerous air quality across the DMV, with Code Purple conditions across much of the region and ...

Maryland is under a Code Red air quality alert as wildfire smoke moves into the region, with Code Purple conditions expected ...