Air Quality
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Tehran’s AQI in Fiscal 2022-23
EghtesadOnline: According to data released by Tehran Air Quality Control Company, Tehran’s air quality was “good” on only four days in the fiscal 2022-23.
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Pollution Darkens Tehran Skies
EghtesadOnline: The residents of Iranian capital breathed in more polluted air in March compared with the corresponding month of last year, data released by Tehran Air Quality Control Company…
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Tehran Schools Close Over Choking Smog
EghtesadOnline: Air Quality Index in Tehran on Tuesday hovered around 130, above the threshold of "unhealthy for sensitive groups", which has pushed authorities to take a further drastic measure…
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Tehran Air Quality Status Moderate in October
EghtesadOnline: Tehran’s residents experienced a more stable air condition during October after being exposed to hazardous emissions in early fall, mostly due to traffic congestion coinciding…
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Tehranis Exposed to More Polluted Air in September
EghtesadOnline: The residents of Iranian capital breathed in more toxic particles in September, as air quality deteriorated slightly compared with the corresponding month of last year, data released…
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Gasoline, Diesel Sulfur Content Alarming
EghtesadOnline: The results of a study conducted by Tehran Air Quality Control Company on gasoline and diesel quality shows both fuels sold in the capital in summer contained sulfur above acceptable…
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Soaring Heat, Pollution Choke Tehran Residents
EghtesadOnline: After several months of breathing relatively clean air, Tehran’s residents experienced a harsh deterioration in air quality while temperature also rose in July.
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Pollutants Return to Haunt Tehran’s Skies
EghtesadOnline: After several consecutive months of air quality improvement, the skies of Tehran once again were tainted with pollution in June.
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Tehran Air Quality Improves Slightly in May
EghtesadOnline: The residents of Iranian capital had some relief as air quality improved slightly in May compared with the corresponding month of last year, data released by Tehran Air Quality…
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Tehran Air Quality Improves in April
EghtesadOnline: In April, Tehran’s residents experienced some relief after air quality index (AQI) improved in comparison with the same month of last year, according to data from Tehran Air Quality…
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A Different March in Tehran: Sunshine and Blue Skies
EghtesadOnline: Tehran residents had some relief with clean air and blue skies in March compared to the same month last year, data from Tehran Air Quality Control Company shows.
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Tehran Air Quality Slightly Better in February
EghtesadOnline: In February Tehranis had some relief with better air quality compared to the month last year, data from Tehran Air Quality Control Company shows.
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Tehran Air Quality Jan. Report
EghtesadOnline: Data from Tehran Air Quality Control Company, which monitors stations across the capital, show that during the first month of 2019, residents of the metropolis experienced better…
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JICA Helps Improve Air Quality Monitoring Systems in Tehran
EghtesadOnline: As part of a joint effort between Japan International Cooperation Agency and Tehran Municipality to reduce air pollution, decades-old air quality monitoring systems in the capital…