Not really in my experience. My air purifier and separate air quality sensor bot...

		wkat4242 on Feb 4, 2023 \| parent \| context \| favorite \| on: I bought a CO2 monitor and it broke me Not really in my experience. My air purifier and separate air quality sensor both show near zero levels of PM2.5 in my house after running the purifier for hours but I can still see a lot of dust floating around with a flashlight.