OK, so no, it’s not linear:
https://en.wikipedia.org/wiki/Air_quality_index#Computing_the_AQI
…and PM 2.5 (fine particles such as smoke) are not 16x lower than the peak now, but more like ••62x lower••
OK, so no, it’s not linear:
https://en.wikipedia.org/wiki/Air_quality_index#Computing_the_AQI
…and PM 2.5 (fine particles such as smoke) are not 16x lower than the peak now, but more like ••62x lower••
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