The air in Tehran has become unhealthy for "everyone".
The beer's air pollutant index over the past 24 hours was "suspended particles less than 2.5 microns" with an average of 157, and the beer's air quality was in unhealthy conditions.
Currently, the index pollutant is "suspended particles less than 2.5 microns" with an average of 169 and the air quality is unhealthy.