Tag: PM10
What the labels mean The AQI runs from 0 to 500. Poor is 201–300, Very Poor is 301–400, and Severe is 401–500. Think of it as a ladder: the higher…
What the labels mean The AQI runs from 0 to 500. Poor is 201–300, Very Poor is 301–400, and Severe is 401–500. Think of it as a ladder: the higher…