4 air quality apps to monitor wildfire smoke near you

These apps will help you check air quality near you from Canadian wildfires and other pollutants.

Smoke from wildfires in Canada has drifted into the United States, impacting air quality across the Midwest and East Coast. At one point Tuesday, residents of New York City were said to be experiencing the worst air pollution of any major city in the world, sending residents scrambling indoors or, if they had to go outside, reaching for their pandemic-era box of N95 masks.

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