Tehran air quality 16 Azar 1402 / Tehran air quality index is at 148 and unhealthy

According to Moj news agency

According to the control companyAir quality in Tehran the average air quality of the capital is currently (December 16) in unhealthy conditions for sensitive groups.

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 148, and the air quality of the capital was in an unhealthy condition for sensitive groups.

Currently, the index pollutant is suspended particles less than 2.5 microns with an average of 138 and air quality in the unhealthy range for sensitive groups.

It should be mentioned that the 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”.