Heavy air pollution shuts schools in Iran

by VTV406 February 2018 Last updated at 12:59 PM

(Photo: independent.co.ug)
(Photo: independent.co.ug)

VTV.vn - Primary schools were closed on Monday in Tehran as thick fog caused by pollution smothers the Iranian capital and most of the surrounding province.

Local authorities announced on Sunday they would impose traffic restrictions in Tehran allowing cars onto the streets in alternating shifts. Average concentrations of the finest and most hazardous airborne particles hit 144 microgrammes per cubic metre in Tehran on Sunday and peaked at 169 in some areas, municipal authorities said.

That is far above the World Health Organization’s recommended maximum of 25 microgrammes per cubic metre on average over a 24-hour period. Iranian media reports say 80 percent of the pollution in Tehran is caused by fumes from vehicle exhaust pipes.

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