2 ms·
A significant number of the sensors show up as "LOW COST PM2.5 SENSOR (PurpleAir)" https://www.purpleair.com https://www.purpleair.com sells those sensors (you
by shagie 3y ago
A significant number of the sensors show up as "LOW COST PM2.5 SENSOR (PurpleAir)"
https://www.purpleair.com https://www.purpleair.com sells those sensors (you can see their coverage on their map).
It would be something to assist/help fund and public schools would be an excellent place to have them be situated.