air quality index (AQI)

Total:3

  • Tehran experiences clean, healthy air for 102 days 2019-07-20 22:40

    Tehran experiences clean, healthy air for 102 days

    TEHRAN – According to the Air Quality Control Company, 102 days of clean and good air quality have been reported in the capital since the beginning of the current Iranian calendar year (March 21).

  • Clean air days double for Tehraners this year 2019-03-06 10:09

    Clean air days double for Tehraners this year

    TEHRAN – Tehrani citizens have experienced a 2-fold rise in the number of clean air days since the beginning of the current Iranian calendar year (started March 21, 2018) compared to the same period last year, an official with Department of Environment has said.

  • Pollutants hit unhealthy levels in Tehran 2018-12-06 00:30

    Pollutants hit unhealthy levels in Tehran

    TEHRAN – Tehran’s air quality index (AQI), exceeding 150 microgram per cubic meter, has been unhealthy at nine meteorological stations across the city, spokeswoman for Tehran Air Quality Control Company has said.