Tehran’s air quality on 28 December 1402 / Tehran’s air quality index is at 81 and healthy

According to Moj news agency

According to the control company Air quality in TehranThe average air quality of the capital is now (December 28) in acceptable conditions.

The pollutant index of the capital’s air during the last 24 hours was “suspended particles less than 2.5 microns” with an average of 83, and the air quality of the capital was in acceptable conditions.

Currently, the index pollutant is “suspended particles less than 2.5 microns” with an average of 81 and the air quality is acceptable.

Air quality index (AQI) is divided into five main categories. Based on this division, from zero to 50 “clean” air, from 51 to 100 “acceptable (healthy) or average” air, from 101 to 150 “unhealthy for sensitive groups”, from 151 to 200 “unhealthy” air, From 201 to 300, the air is “very unhealthy” and from 301 to 500, the air quality conditions are “dangerous”.