The weather in Tehran turned orange

According to Ekhtaz Online, according to the announcement of the Tehran Air Quality Control Company, the average air quality index of the capital is now at 125, and the air condition is orange and polluted for sensitive groups of the society.
Also, during the last 24 hours, the air quality index was at 121 and the air was unhealthy for sensitive groups.
Since the beginning of the year, Tehran has had 8 days of clean air, 169 days of acceptable air, 44 days of unhealthy air for sensitive groups of society, and 5 days of unhealthy air for all people.
Meanwhile, during the same period last year, Tehran had 2 days of clean air, 127 days of acceptable air, 85 days of unhealthy air for sensitive groups of society, and 8 days of unhealthy air for all people, 2 days of very unhealthy air, and 2 days of dangerous air. .