Elena in Alexandria5 июл., 15:04We have a heavy duty air filter inside the house and it almost never registers anything. Here’s last night’s PM2.5 readings (read fully indoors after normal HVAC filtration) in Alexandria. PM1 spiked similarly.
Bonnie En5 июл., 16:32I woke up with a headache but that might also be from staying up much later than desired/usual. Turning all the filters on.
Bonnie En5 июл., 16:32I woke up with a headache but that might also be from staying up much later than desired/usual. Turning all the filters on.
