Many countries use different Air Quality Indexes, however, the US Air Quality Index is one of the most widely recognized AQI systems available. The Index converts pollutant concentrations into a colour coded scale of 0-500, to easily represent the level of health hazard posed. The US Index’s “Good” range (<12μg/m3) is relatively comparable to the WHO AQG (<10μg/m3).
- by IQAir Staff Writers
Why is the US AQI used in the ranking?
- by IQAir Staff Writers
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Why is the US AQI used in the ranking?
Why is the US AQI used in the ranking?