Chahārbāgh air quality
Alborz Province, Iran
1of 6
Good
US EPA category
Air pollution presents little or no risk.
Primary Pollutant
The provider has not supplied this information.
All Pollutants
Ozone
68 µg/m³
Carbon monoxide
1252 µg/m³
Nitrogen dioxide
31.5 µg/m³
Particulate matter (10 µm)
7.1 µg/m³
Fine particulate matter (2.5 µm)
5.7 µg/m³
Sulfur dioxide
4 µg/m³