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Driving through Delhi's near-500 AQI, as I took off my face mask...
A doctor once told me that particulate matter (PM) measurement in Ukraine at the February 2022 start of the war with Russia was an average 24.2 µg/m3 (micrograms per cubic meter). This November ...
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Delhi experiences 500 AQI; Schools Shut Down As GRAP Stage 4 Imposed In Capital City
As per official statistics, 20 monitoring stations throughout the city detected AQI levels hitting the highest 500 mark by Monday evening. Furthermore, due to the GRAP Stage 4 restrictions ...
LAist23d
Does a ‘good’ Air Quality Index rating mean it’s safe to be outdoors?
The index ranges from 0 to 500 and uses a color coded system: As of Monday evening, the AQI was between 30 and 60 throughout L.A. County — in the “good” or “moderate” range — according ...
Yahoo21d
Is the Air Quality Index enough? What the AQI can — and can't — tell you about how healthy the atmosphere is.
The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) ...