tehran struggles under heavy air pollution - top air purifiers

TEHRAN —
The Iranian capital is experiencing what officials say is the worst pollution in history, prompting the government to close its offices and consider placing air purifiers across the city to fight brown smoke.
Heavy pollution in the past few weeks has caused serious losses to residents of Tehran.
The hospital reported a significant increase in the number of patients with respiratory problems.
Government offices have been closed for three days in the past three weeks, and schools and universities have been closed for at least six days.
Tehran is embraced by one of the highest mountains in the Middle East, with millions of cars, and has been struggling to deal with air pollution for decades.
But this year, as the Iranian capital and other cities struggle with extreme pollution, many here are blaming a new type of gasoline produced locally.
The product is the result of an emergency plan to prevent fuel shortages after Congress approved sanctions on foreign companies that supply gasoline to Iran in July.
The leaders of the Islamic Republic praised their oil industry for quickly providing their own high for the market.
Gasoline produced by petrochemical plants rather than oil refineries.
But now many people think that this beer is the main reason for the unprecedented level of air pollution in Tehran and other densely populated centers. There are more than 8 million people in Tehran.
"This fuel is our political move against sanctions," Ayandeh website, which is crucial to the government, said on Monday . ".
"But the quality is not high, and the pollution is also very serious.
On Sunday, Tehran experienced 25 consecutive days of alert-
Mohammad Hadi hedzad, a Tehran municipal official, told Shargh newspapers that pollution levels marked "a new world record ".
More than 80% of air pollution here is due to 3.
According to a study conducted in Tehran, UK, 5 million cars are traveling on almost permanently blocked streets in the capital.
State television news television reported.
The situation began to deteriorate two weeks ago, when the weather pattern stalled and usually the rain and wind that dominated Tehran in the fall were replaced by dry warmth.
Weather is not expected to change in the foreseeable future, with at least 10 crop Shan planes planning to fly over the capital on Monday to pour water, officials hope, according to the official Islamic Republic News Agency, create wind channels in smog and take away pollution.