Jim DeLaHunt @jdlh@mstdn.ca · activity timestamp 5 months ago #Fedicon2025#IndoorAirQuality report. CO2 (proxy for fresh air ventilation) is 600-700ppm, which is pretty good. PM2.5 (proxy for filtering) is 0.1 microgm/m3, which is quite good. AQI is 1, also very good. #CovidIsNotOver#YVR#Fedicon Read more Read less Translate Reply Boost Quote pending approval Like More actions Copy link Flag this post Block
