Given the lead times on actual air
2020-09-01 19:20:06.502208+02 by Dan Lyke 0 comments
Given the lead times on actual air filters, I just bought a couple of fans and some furnace filters to slap over them. They seem to be helping, but PurpleAir also says that the PM2.5 AQI in my neighborhood is only about 250 right now (it's been over 400 Sunday and yesterday).