Air quality was “good” for only two days in the past one year (April 21, 2021-April 21), charts published by Tehran Air Quality Control Company’s website, Airnow.tehran.ir, show.
The company said 246 days turned out to be moderate, 110 days remained unhealthy for sensitive groups, seven days were unhealthy and one day was hazardous.
The index categorizes air conditions according to a measure of polluting matters into good (0-50), moderate (51-100), unhealthy for sensitive groups (101-150), unhealthy (151-200), very unhealthy (201-300) and hazardous (301-500).
TAQCC indicates that the “good” status was recorded for two days from in the first month of the current fiscal (March 21-Apr. 20).
April 23, 2022 19:13
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Tehran Air Quality Dismal
According to data released by Tehran Air Quality Control Company, the capital’s air quality was “good” for only two days last year
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