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Tehran Ozone Pollution Dips

Air pollution monitoring stations of the metropolis have recorded fewer days with ground-level ozone in August, letting the citizens breathe fresh air more frequently
Tehran Ozone Pollution DipsTehran Ozone Pollution Dips

With temperature falling from 40 degrees Celsius in late July to around 30 in early September, ozone pollution in the capital city of Tehran has also declined. 
According to Tehran Air Quality Control Company, air pollution monitoring stations of the metropolis have recorded fewer days with ground-level ozone in August, letting the citizens breathe fresh air more frequently.
TAQCC charts show that during the month under review, the ozone pollutant pushed the Air Pollution Index up to the “unhealthy” threshold for the sensitive group in seven days. Children, pregnant women, cardiovascular and respiratory patients and the elderly form the group.
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).
The main culprit behind the pollution was ground-level ozone, with the highest density of 128 recorded on August 15.

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