Smoke from more than 800 wildfires burning across Canada is drifting into the Philadelphia region, creating hazy skies and prompting air quality concerns. [▻]

Smoke from more than 800 wildfires burning across Canada is drifting into the Philadelphia region, creating hazy skies and prompting air quality concerns. [▻](https://video.twimg.com/ext_tw_video/2077752730039324672/pu/vid/avc1/720x1280/K3_kWRvapSuV_vjY.mp4)