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Tehran Ozone Pollution Returns

Over the past two days, residents in the capital city were exposed to high levels of ground-level ozone, an uncommon type of air pollution that is becoming a regular phenomenon as temperature rises
Tehran Ozone Pollution Returns Tehran Ozone Pollution Returns

With the early onset of hot days, ozone pollution is once again blanketing the skies of Tehran that has long been notorious for high levels of toxic emissions.
According to the data published by Tehran Air Quality Control Company, over the past two days, residents in the capital city were exposed to high levels of ground-level ozone, an uncommon type of air pollution that becomes a regular phenomenon as temperature rises, ISNA reported. 
Based on TAQCC charts, on Saturday and Sunday, high ozone level pushed Air Pollution Index into the threshold considered “unhealthy” for the sensitive group. The group comprises people with cardiovascular and respiratory diseases, pregnant women, children and the elderly.
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).

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