Isfahan air is polluted

Isfahan – The Air Quality Index for the metropolis of Isfahan on Tuesday morning, at 115 AQI, indicates an orange, unhealthy status for sensitive groups.

Isfahan- The air quality index of Isfahan metropolis on Tuesday morning with an AQI of 115 shows an orange and unhealthy situation for sensitive groups.

According to Mehr reporter, the air of Isfahan metropolis shows an unhealthy condition for sensitive groups (elderly, people with respiratory diseases, pregnant women and children) with an average AQI of 115 based on the data of eight active monitoring stations until 8:00 am on Tuesday, October 21st.

The air quality index ranges from 0 to 50 clean air, 51 to 100 healthy air, 101 to 150 unhealthy for sensitive groups, 151 to 200 unhealthy for the public, 201 to 300 very unhealthy and 301 to 500 dangerous.

According to the data of the online air quality control system of the Environmental Organization (Isfahan region), at the time of publication of this report, the air index of this metropolis at the Ahmedabad street station with number 168 and the East axis (Qahab village) with number 156 AQI is red and unhealthy for the general public, and at 125 Standari St., 139 Parvin Etsami St. and 120 Kharazi highway AQI is orange and unhealthy for sensitive groups.

The air index also shows an acceptable condition in Isfahan Medical Sciences Station with 85, 86 in Rudaki and 79 in Shahrak Montazeri.

The air pollution index is usually measured for five air pollutants including carbon monoxide (CO), ozone (O3), nitrogen dioxide (NO2), sulfur dioxide (SO2) and suspended particles below 2.5 microns (PM2.5) and recorded daily at air monitoring stations.

The Air Quality Index is a measure that converts the concentration of various pollutant compounds in the air such as carbon monoxide, sulfur dioxide, nitrogen compounds, ozone and suspended particles (particles smaller than 10 micrometers and particles smaller than 2.5 micrometers), which have different permissible limits with different units, into a unitless number and displays the state of air pollution.