The air in the metropolises was in an acceptable condition
The National Air and Climate Change Center of the Environmental Protection Organization announced that today (December 13) the air in any of the metropolises in the country is not unhealthy and all are in acceptable conditions.
According to Moj News Agency, according to the report received from the National Center for Air and Climate Change of this organization, the air in the metropolises of Tehran, Tabriz, Isfahan, Karaj, Mashhad, Ahvaz, Shiraz and Arak are respectively 81, 53, 96, 75, 79, 72, 62 and 85 are acceptable.
Air pollution index up to 50 green and clean, between 51 and 100 yellow and acceptable, 101 to 150 orange and unhealthy for sensitive groups, 151 to 200 red and unhealthy, 201 to 300 purple and very unhealthy, more than 300 brown is dangerous.