Canadian wildfire smoke, haze begins to wane in DC area; Code
DC area reached the worst air quality in the world Thursday – NBC4
MLB postpones games as wildfire smoke continues to wreak havoc
Millions under hazy skies as Canadian wildfire smoke spreads
Nats play on as Code Red Air Quality alert affects events
Washington Nationals game postponed Thursday due to poor air
NY governor warns Belmont Stakes could be affected if air quality
Washington Nationals game postponed due to hazardous air quality
Diamondbacks-Nationals game postponed due to air quality
Wildfire smoke worries a working Congress
DC area reached the worst air quality in the world Thursday – NBC4