Ozone Pollution Blights Tehran

Air quality monitoring stations in Tehran have recorded the early traces of ozone pollution on eight days of June
Ozone Pollution Blights Tehran
Ozone Pollution Blights Tehran

With the beginning of the hot season, the concentration of ground level ozone is on the rise in Tehran, Tehran Municipality’s data show.
According to charts published by Tehran Air Quality Control Company’s website, Airnow.tehran.ir, the residents of Iranian capital inhaled more polluted air, mostly bad ozone, in June much more than in May.
The index categorizes conditions dictated by 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 data show that during June, “moderate” status was the most prevailing air condition, as the index hovered between 51 and 100 on 22 days.
Sensitive groups in the capital were advised to limit their outdoor activities due to air pollution in two consecutive days, as the index entered the threshold of unhealthy for the sensitive group (101-150) in the remaining eight days. 


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