Tehran’s air quality on 9 Mehr 1402 / Tehran’s air quality index is at 71 and healthy
According to the announcement of the Tehran Air Quality Control Company, today, Sunday, October 9, 1402, the air quality index is currently at 71, which is healthy.
According to the Moj news agency, it is an indicator pollutant Air quality in Tehran During the last 24 hours, “suspended particles less than 2.5 microns” averaged 71 and the air quality of the capital was acceptable. Currently, the index pollutant is “suspended particles less than 2.5 microns” with an average of 79 and the air quality is acceptable.
The air quality in 26 air quality measuring stations was in acceptable conditions until 8 o’clock today (October 9) and in one station it was in unhealthy conditions 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 for all” groups”, from 201 to 300 air is “very unhealthy” and from 301 to 500 air quality conditions are “dangerous”.