I used to think airing out the house was always a good idea—let some crisp, “fresh” air in, get the stale air out. But after getting an air quality monitor, I started noticing something surprising.
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The moment I open the windows, especially on colder days, the readings spike. Particulate matter goes to unhealthy levels, even though the air smells fine—just a faint whiff of smoke from chimneys in the neighborhood. The refreshing breeze actually brings in fine particles from wood-burning stoves.
Now, I do things differently on cold days. I keep the windows shut, turn on the air purifier, and wait until late at night to air out—when most people have stopped burning their fireplaces. The numbers stay low, the air stays clean, and I don’t end up filling the house with invisible pollutants.
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