According to the announcement of the air quality control company of Tehran, today, Thursday, 23 September 1402, the air quality index is currently at 97, which is healthy.
According to Moj News Agency, based on the data of Control Company Air quality in Tehran In most areas, the air quality is in an acceptable condition and the status of the index pollutant (PM2.5) now shows the number 97, so that eight stations are in an acceptable condition (yellow) and four stations are in an unhealthy condition for the group of sensitive CNNs. (orange) are located.
I have to say; In the last 24 hours, Tehran’s air quality index was at 92 and the condition was acceptable.
Since the beginning of this year, Tehran has experienced 8 days of clean air, 125 acceptable days and 39 unhealthy days for sensitive groups and 5 unhealthy days for everyone. This is despite the fact that compared to last year, the residents of the capital experienced 2 days of clean air and 87 days of acceptable air, 77 days of unhealthy air for sensitive groups, 8 days of unhealthy air, 1 day of very unhealthy air and 2 days of dangerous air.
According to the air quality index (AQI), when the numerical index shows between 51 and 100, the air quality is in “acceptable” conditions.
According to the color chart of the air quality control company, green stations indicate “clean” conditions, yellow indicates “acceptable” conditions, orange indicates “unhealthy for sensitive groups”, red indicates “unhealthy” conditions, and purple indicates “very unhealthy” conditions. .