Financial Tribune - Air quality data recorded daily by Tehran Air Quality Control Company show no decline in air pollution levels after the resumption of traffic restrictions in the city The resumption of traffic schemes in the capital city of Tehran since June 6 has had close to zero effect on air pollution so far, an official with the Department ...

Financial Tribune - Data show that during the month, moderate status was the most prevailing air condition, as the index hovered between 51 and 100 in May on 28 days The Iranian capitals residents inhaled more polluted air in May compared with the same period of last year, data from Tehran Municipality show. Charts published by Tehran Air Quality ...