Air Pollution Alert for Tehran

Tehran's Meteorological Department warned of rising air pollutants, especially fine particulate matter smaller than 2.5 microns, over the next two days (21 and 22 Mehr).

Tehran General Directorate of Meteorology warned against the increase of atmospheric pollutants, especially suspended particles smaller than 2.5 microns, in the next two days (October 21 and 22) in the province.