Air quality was “good” for only four days in the past one year (February 2021-22), charts published by Tehran Air Quality Control Company’s website, Airnow.tehran.ir, show.
Also, 251 days turned out to be moderate, 105 days remained unhealthy for sensitive groups and seven days were recorded as unhealthy.
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 “good” status was not recorded for a single day from Jan. 11 to Feb. 9.
February 09, 2022 19:41
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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 four days in the past one year
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