unhealthy levels

Total:2

  • Tehrani citizens to celebrate new year breathing clean air 2019-03-13 21:44

    Tehraners to celebrate new year breathing 28 days of clean air

    TEHRAN – Tehrani citizens will celebrate the new [Iranian calendar] year (starting March 21) experiencing 28 days of clean air and without even a day of unhealthy air quality, IRNA reported on Wednesday. Last year, the capital’s air quality stayed clean for only 14 days.

  • 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.