@AlexBlock has moved on Nostr: I think I have read that air quality can vary significantly over quite short ...

I think I have read that air quality can vary significantly over quite short distances. I'm tempted to buy a Purple Air sensor to see what the air quality is like around my property. Then I can compare it to the one other sensor someone has in Manotick... It would be interesting to see much variance there is over a 2 kilometers radius here...