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MycologistQueasy22 t1_jdzx42n wrote

Reply to comment by zipcad in I guess I'll just air on the side of caution and hold my breath today by 1MagnificentMagnolia

Unless you live in a vacuum chamber it's not going to get any lower. AQI wasn't 0 before the industrial revolution, a background level of dirt, pollen, and other particulates is still going to exist regardless of pollution.

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