Air pollution commonly occurs in Tehran, a city of 15 million population, and other large cities in the country when the weather is cold during autumn and winter when there is no wind or rain and ...

Air pollution commonly occurs in Tehran, a city of 15 million population, and other large cities in the country when the weather is cold during autumn and winter when there is no wind or rain and ...

TEHRAN, Iran (AP) — All schools in the Iranian capital of Tehran will close for a day because of dangerously poor air quality, the country’s state television reported on Tuesday. Primary ...

10 million: Officials in Tehran, a city of more than 10 million people, closed elementary schools and kindergartens on Saturday and Sunday because of dangerous levels of air pollution. On Tuesday ...

Iran announced Tuesday that all governmental offices, universities, and schools in the province of Tehran will be closed for two days because of poor air quality, state TV reported. The capital ...