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r/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.

4.1k subscribers82 posts / mo in Sep 202673 authors / mosince 2021

r/IndoorAirQuality has 4.1k members. It gets about 82 posts a month from 73 people. Top topics: Amazon Deals and Wildfire Smoke Impact.

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When to post on r/IndoorAirQuality

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Visitors without an account can open 3 subreddit reports a day. The best time to post on r/IndoorAirQuality, removal risk and the rest of the report are one step away.

Size and growth

How r/IndoorAirQuality has grown

r/IndoorAirQuality

Subscriber growth

Subscribers over time

+100%since May 2026
Oct 20264.1k
Growing4.1k subscribers
  • no data — drawn from 0 at creation (Jan 2021)
Live · through Oct 2026
r/IndoorAirQuality

Monthly activity

Posts, comments and authors per month

+811%vs Sep 2025 · +143% last 3 months vs the 3 before
Sep 202682
BusierPeaked at 82 in Sep 2026
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/IndoorAirQuality

Top topics

Share of the subreddit's posts

  1. Amazon Deals0.8%
  2. Wildfire Smoke Impact0.8%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. US EPA
  2. Medium

The full report

Everything else about r/IndoorAirQuality

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research