EghtesadOnline: Air quality monitoring stations in the Tehran metropolis showed that its residents inhaled more clean air in September compared to a month ago, as ozone pollution waned.

EghtesadOnline: With the beginning of the hot season, the concentration of ground level ozone is on the rise in Tehran, Tehran Municipality’s data show.

EghtesadOnline: 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.

EghtesadOnline: Air pollution monitoring stations of the capital city Tehran have recorded more days with ground-level ozone in July, posing a serious risk to citizens’ health and the environment.

EghtesadOnline: With the onset of summer, air pollution control stations around the capital city of Tehran are recording more days with high-density ozone pollution, which have a harmful impact on citizens’ health and the environment.