Tehran air quality 17 Shahrivar 1402 / Tehran air quality index is at 91 and healthy

According to the announcement of the Tehran Air Quality Control Company, the air quality index is currently at 91 and healthy.
According to Moj news agency, according to the announcement of the control company Air quality in TehranIn the past 24 hours, the pollutant index of the capital’s air was “suspended particles less than 2.5 microns” with an average of 91, and the air quality of the capital was in an acceptable state. Currently, the index pollutant is “suspended particles less than 2.5 microns” with an average of 91 and the air quality is acceptable.
It should be noted that the air quality index (AQI) is divided into 5 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 for all groups” “, from 201 to 300 the air is “very unhealthy” and from 301 to 500 the air quality conditions are “dangerous”.