Tehran air pollution level reached critical condition

Air pollution in the Iranian capital city of Tehran has once again reached critical condition, according to city’s municipal officials. The breathing air in Tehran, based on a report by the city officials, is ’unsafe’ for all group ages. The ’inverse air phenomenon’ and the increase in the humidity is the key factor for the rapid increase in the pollution in the grate city of Tehran.
The air pollution in Tehran on Saturday, December 19, 2015 reached the red level and caused all schools to shut down.
According to city officials all schools at all levels would be closed tomorrow on Sunday and also on Monday due to the severity of the air pollution.