Schools in Tehran were ordered to be closed on Wednesday after the Iranian capital was cloaked in dangerously high levels of air pollution, authorities said. Governor Anoushiravan Mohseni-Bandpey said kindergartens, preschools and primary schools would be shut in the city and the counties of Gharchak, Pishva and Varamin. "The air quality index for the city of Tehran still has not passed the unhealthy status for sensitive groups," he was quoted ...