Living in the middle of all this smoke, I've been monitoring our air quality on PurpleAir's <https://www2.purpleair.com/>website. The amount of information available through PurpleAir depends upon the density of people who have purchased & installed their sensors, but people have installed their sensors worldwide, and you can monitor air quality, humidity & temperature. I noticed SF Bay Area news stations are now using the PurpleAir maps in their news casts.
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