r/IndoorAirQuality is a subreddit with 3k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses air quality, indoor air quality, indoor, pollution, and ventilation.
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.
Popular Themes in r/IndoorAirQuality
#1
Solution Requests
: "Help! Air quality in one of our rooms is so bad we can't use it. Air purifier doesn't help. Need to identify cause and solutions."
2 posts
#2
Advice Requests
: "A question regarding tVOC"
1 post
Popular Topics in r/IndoorAirQuality
#1
Air Quality
: "do fans affect Air Quality or improve it in any way?"
61 posts
#2
Indoor Air Quality
25 posts
#3
Indoor
: "Did you know how different countries regulate Indoor CO2 levels?"
15 posts
#4
Pollution
10 posts
#5
Ventilation
: "A DIY Ventilation Solution for Renters"
10 posts
#6
Vocs
: "Printer/scanner emits ultra fine particles (UFPs) and Vocs?"
9 posts
#7
Smoke
8 posts
#8
Monitor
7 posts
#9
Review
7 posts
#10
Health
: "Ongoing Health issue but data fine?"
6 posts
Flair Used in r/IndoorAirQuality
#1
Indoor Air Quality
: "Did you know how different countries regulate indoor CO2 levels?"
1 post
Member Growth in r/IndoorAirQuality
Yearly
+2k members(334.9%)
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Last updated: September 4, 2026