The air quality of the capital is unhealthy for sensitive groups

According to Moj News Agency, according to the announcement of Tehran Air Quality Control Company, the index pollutant is currently “suspended particles less than 2.5 microns” with an average of 111 and the air quality is unhealthy for sensitive groups.

The pollutant of the air index of the capital during the last 24 hours was “ozone” with an average of 92 and the air quality of the capital was in “acceptable” condition.

The concentration of pollutants was in an acceptable condition until 3:00 a.m. today and reached 93, but it increased to 117 at 4:00 a.m. and was placed in unhealthy conditions for sensitive groups. This situation has continued until now.

In an unhealthy situation, for sensitive groups of people with heart or lung disease, the elderly and children, long or heavy outdoor activities should be reduced. Prolonged activity is any outdoor activity that people do intermittently for several hours and causes breathing to be somewhat harder than normal, for example, working in the garden during the day; Heavy activity also includes any intense activity outside the home that makes breathing difficult, which includes running.

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”.