Air quality in Tehran on December 1, 1401/ Tehran air quality index is 85
According to the Air Quality Control Company’s announcement today, January 1st, Tehran is in acceptable air quality conditions with a particle pollutant index of less than 2.5 microns and a number of 85.
According to Moj news agency, based on the forecasts made, according to the announcement of the control company Air quality in Tehran Currently, the pollutant index of “suspended particles less than 2.5 microns” is at 85, which means acceptable conditions. Also, the pollutant of the air index of the capital during the last 24 hours was “suspended particles less than 2.5 microns” with an average of 80, and the air quality of the capital was in acceptable conditions.
It should be mentioned that the air quality (AQI) is divided into five main categories, based on which it is defined from 0 to 50 in the range of clean air, from 51 to 100 the air is acceptable, healthy or average, and from 101 to 150 Unhealthy air for sensitive groups. In the range of 151 to 200, the air is in the unhealthy range for all groups, and in the range of 201 to 300, the air is in the very unhealthy range. According to this classification, air quality conditions in the range of 301 to 500 are dangerous.