Tehran’s air quality on 12 December 1402 / Tehran’s air quality index is at 146 and unhealthy

According to the announcement of the Tehran Air Quality Control Company, today, Tuesday, January 12, 1402, the air quality index is at 146, which is unhealthy.
According to Moj news agency
According to the control company Air quality in Tehran The air quality index is currently at 146 and the air condition in Tehran is orange.
Also, this index was at 127 in the last 24 hours and the air was polluted for sensitive groups of the society.
Since the beginning of the year, Tehran has had 9 days of clean air, 188 days of acceptable air, 80 days of unhealthy air for sensitive groups and 10 days of unhealthy air for all people.
Meanwhile, during the same period last year, Tehran had 2 days of clean air, 148 days of acceptable air, 114 days of unhealthy air for sensitive groups of society and 19 days of unhealthy air for all people, 2 days of very unhealthy air and 2 days of dangerous air. .