I brought a CO₂ monitor to the movie theater lobby. Timelapse of what happened while we waited for our movie
Posted 9th May 2026r/ScienceNcoolThings
I measured the CO₂ in my gym. It was almost 9x higher than outdoor air.
Posted 8th May 2026r/AirQualityMonitoring
Posted 23rd Apr 2026r/AerisView
I brought a CO₂ monitor to Costco. The results shocked me
Posted 12th Apr 2026r/AerisView
I brought a CO₂ monitor to Costco. The results shocked me.
Posted 12th Apr 2026r/u_djMedd
I brought my air quality monitor to Costco and the results are scary 💀 CO₂ levels hit 2,557ppm — that’s 6x outdoor air. That brain fog after shopping? Now you know why.
Posted 12th Apr 2026r/CO2
Do you actually know what this button in your car does
Posted 30th Mar 2026r/AirConditioners
Ran a simple experiment: CO2 levels with ventilation OFF vs ON. The difference is wild.
Posted 25th Mar 2026r/IndoorAirQuality
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