Tehran’s air quality reached 140 on December 9, 1401

According to Moj news agency, according to the data of the Tehran Air Quality Control Company, the air quality of the capital city today (December 9) is in “unhealthy for sensitive groups” conditions in most areas, and the average concentration of suspended particles is less than 2.5 microns, which is the main pollutant in Tehran. 24 hours have passed, now it shows 140.

According to the Air Quality Index (AQI), when the numerical index shows a number between 101 and 150, the air quality is in “unhealthy for sensitive groups” conditions.