The air in the capital became “acceptable”.
While the residents of the capital have been facing air pollution in recent days, the average air quality in Tehran (December 16) is acceptable.
According to Moj news agency
, The air quality of the capital is currently in acceptable conditions with an average of 88 and the pollutant index of suspended particles is less than 2.5 microns. Due to the continuation of air pollution in the capital until this evening, the average air quality in the last 24 hours with the pollutant index of suspended particles is less than 2.5 microns, 146 and in unhealthy conditions for sensitive groups.
while Air quality in Tehran It has entered a favorable situation that with the gradual increase of pollutants since last Friday (December 10), it was in unhealthy conditions for sensitive groups and with the continuation of pollution this week, Tehranis breathed unhealthy air for four days for sensitive groups and unhealthy air for three days. . On Tuesday (December 14), the highest level of air pollution was recorded with an index of 164.
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”.