The air quality of Tehran reached 106 on October 29, 1401
The air quality is currently at 106 and the air quality is polluted for the sensitive groups of the society.
According to Moj news agency, according to the announcement of the control company Air quality in Tehran Currently, the index pollutant is “suspended particles less than 2.5 microns” with an average of 106 and the air quality is unhealthy for sensitive groups.
The pollutant index of the air in the capital during the last 24 hours was “suspended particles less than 2.5 microns” with an average of 98, and the air quality of the capital was in acceptable conditions.
The concentration of pollutants was in an acceptable condition until 1 o’clock in the morning today, but from 2 o’clock it became unhealthy for sensitive groups, and this situation has continued until now.
In unhealthy weather conditions for sensitive groups, people with heart or lung disease, the elderly and children should reduce long or heavy outdoor activities.
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. Also, heavy activity is any intense activity outside the home that makes breathing difficult. For example, 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”.