[jadbox]

Ya, my AirGradient ONE is $200 and has been one of the best investments in my home. Using it, I discovered how the drying polyester clothes wrecks the indoor air quality and how not to burn baking oils by controlling temps better.

[sizzle]

Drying polyester clothes releases CO2 to unhealthy levels?

[eddyfromtheblok]

Probably referring to particulate matter. The AirGradient measures PM2.5. I happen to have an air purifier near my W/D and it catches a lot of lint in the prefilter.