PM2.5 - compared to?
Please tell me I am an idiot.
I have been trying to interpret your PM numbers for months.
W H Y ? Which part am i not understanding
RIGHT NOW: 58 mg/m3 Windy
159 mg/m3 on average of PurpleAir meters.
THANKS for helping me know whats gong on, or matching with these other websites (better!)
thanks very much