IndoorAirQuality

We spend 90% of our time indoors and indoor air can be 2-100x more polluted than outdoor air. This sub is all about sharing information to help improve indoor air quality.

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My house is always this dusty should I be worried

Posted 10th May 2026u/SenseimilliaApe

I brought a CO₂ monitor to the movie theater lobby. Timelapse of what happened while we waited for our movie

Posted 9th May 2026u/djMedd

I’ve been formulating home fragrance for a few years and I’m constantly shocked at how much the industry gets away with.

Posted 5th May 2026u/SoSaCandles

I measured the CO₂ in my gym. It was almost 9x higher than outdoor air.

Posted 23rd Apr 2026u/djMedd

Just got this cheap air tester for my mom's room

Posted 23rd Apr 2026u/Agreeable_Cattle_574

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 2026u/djMedd

What could cause this

Posted 5th Apr 2026u/vspvideo

Amazing Monitor control!!!!!!!!

Posted 27th Mar 2026u/Apprehensive-You1935

Ran a simple experiment: CO2 levels with ventilation OFF vs ON. The difference is wild.

Posted 25th Mar 2026u/djMedd

Those about to die salute you! 🫡

Posted 21st Mar 2026u/mysteryliner

What practical steps can help reduce mold exposure at home when moving isn’t an option?

Posted 10th Mar 2026u/Stunning-Bath6075

Indoor air quality changes randomly? Wha could cause increase in VOC like this?

Posted 3rd Feb 2026u/KindImportance760

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