Fun Friday night project: set up a PM2.5 sensor inside and hooked it up to my home automation hub, and now have a display on the wall showing the terrible terrible inside and outside AQI
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Is the inside AQI so much lower just from keeping the doors / windows closed, or do you have active filtration running?
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Replying to @pdxleif
We're in an apartment so there's some building wide filtering for the hallway. Keeping all outside doors/windows closed, and running an AC. No special filters tho.

Sep 12, 2020 · 4:38 AM UTC
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