Air Pollution

Tehran emergency services report 357 deaths in eight days as air pollution calls surge

Tehran’s Emergency Medical Services (EMS) reported 357 deaths over the past eight days, with officials saying air pollution may have played a contributing role.

Air pollution remains severe across Iran as Tehran records seventh consecutive ‘red’ day

Air quality in the Iranian capital, Tehran, remained in the “unhealthy” range for the seventh consecutive day on Saturday, according to the Tehran Air Quality Control Company. 

Tehran ranked most polluted city in world

Tehran on Wednesday recorded the worst air quality among major global cities, according to real-time monitoring by the international platform IQAir. 

Iran records higher-than-global average air pollution deaths, expert warns

A senior faculty member at Shahid Beheshti University of Medical Sciences says Iran’s air-pollution-related mortality rate exceeds the global average, with 86 deaths per 100,000 people attributed to dirty air.

Authorities order closures in Tehran amid severe air pollution

Public closures have been imposed in the Iranian capital, Tehran, as well as in surrounding cities due to heavy air pollution, with government authorities introducing restrictions on transportation and industrial activity across the region.

Air quality in Tehran, other Iranian cities unhealthy as pollution spreads

Air pollution in Tehran intensified on Monday, with the Iranian capital’s average Air Quality Index (AQI) reaching 142, a level considered unhealthy for sensitive groups, while several other major cities in the country reported similar or worse conditions.

Over 7,000 air pollution-related deaths in Tehran in 2024

According to a study by the Air Quality and Climate Change Research Center at Tehran's Shahid Beheshti University, long-term exposure to airborne particulate matter (PM) in Tehran led to 7,342 deaths in 2024.

Tehran air quality reaches hazardous levels amid extreme heat

The Tehran Air Quality Control Company has announced that the capital’s air quality index (AQI) reached 192 on Monday evening, placing it in the “unhealthy for all groups” category and bordering on “hazardous'.

Sand, dust storms affect about 330 million people in 150 countries due to climate change: UN

A new report by the United Nations’ World Meteorological Organization (WMO) has showed that sand and dust storms are leading to “premature deaths” due to climate change, with more than 330 million people in 150 countries affected.

Tehran environmental authority denies presence of arsenic, cyanide in dust

Tehran’s Department of Environment has rejected recent claims about the presence of arsenic and cyanide in air pollutants and dust around the Band-e Ali Khan wetland, south of the capital.

Severe dust storm hits Khuzestan province

The head of the public relations office of the Meteorological Department of Iran’s Khuzestan province has reported dangerous levels of air pollution caused by a dust storm sweeping across several cities in the province.

Tehran ranks as third cleanest capital city worldwide amid holiday exodus, rain

Tehran experienced a rare moment of clean air on Sunday, March 23, 2025, recording an Air Quality Index (AQI) of just 22 — placing it among the cleanest capitals in the world for the day.

Tehran’s air quality worsens with fewer clean days in 2025

Tehran experienced a sharp decline in air quality over the past year, recording only seven days of clean air throughout 2024.

Tehran records 130 days of polluted air in nearly 11 months

Tehran has experienced 130 days of polluted air since the beginning of the current Iranian calendar year, on March 21, according to a report by the social Tasnim News Agency.

Iranian health minister: 15 percent of under-5 child mortality blamed on air pollution

Iran’s Health Minister,  Mohammadreza Zafarghandi says air pollution is to blame for 15 percent of under-5 child mortality.

Severe air pollution shuts Tehran primary schools

Primary schools in the Iranian capital Tehran are closed on Tuesday for the second straight day due to the worsening air pollution crisis.

Tehran experienced 18 days of unhealthy air in past 30 days

The air quality in the Iranian capital Tehran during the past 30 days included 12 days of acceptable conditions, 9 days of unhealthy conditions for sensitive groups, and 9 days of unhealthy conditions for everyone, according to the Tehran Air Quality Control Company.

Cold weather, energy shortages extend closure of schools, offices in Iran

Due to extreme cold weather and energy shortages, schools and  government offices across various provinces in Iran will remain closed on Monday.

Schools, universities, offices closed in several Iranian provinces due to cold spell, air pollution

All schools and university classes in Iran’s provincial capital Tehran and several other provinces are held online on Sunday, due to persistent cold weather reported by the Tehran Meteorological Department.

Tehran ranks world’s most polluted city for 2nd consecutive day

For the second day in a row, the Iranian capital city of Tehran has been declared the most polluted city in the world, according to the global air quality index, IQAir.

Tehran’s air quality remains hazardous, residents advised to stay indoors

The air pollution levels in the Iranian capitql Tehran, continue to be a major concern, with the air quality index (AQI) reaching 160 on Thursday, marking it as unhealthy for the entire population.

Heavy traffic in northern Iran roads as Tehran residents flee pollution during closures

The Iranian capital Tehran's severe air pollution has led to the closure of schools, universities, and government offices in the province, excluding Damavand and Firuzkuh, on Wednesday and Thursday, which has triggered a mass exodus from the capital to northern provinces.

Schools, universities, offices in Tehran province closed due to air pollution

Due to persistent air pollution, schools, universities, and government offices in Tehran Province, except for Damavand and Firouzkouh counties, will be closed on Wednesday and Thursday.

Schools in multiple Iranian provinces remain closed due to air pollution

Due to ongoing air pollution, schools in several Iranian provinces including Tehran have remained closed, and various preventive measures have been implemented to ensure the health and safety of residents.

Severe air pollution forces school closures across Iran

Educational activities for kindergartens, preschools, and exceptional schools in Iranian capital Tehran and several other cities have been suspended for Saturday and Sunday and primary schools switched to online classes due to severe air pollution. 

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