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Added on the 28/09/2017 12:10:32 - Copyright : Wochit
The streets of the Indian city of Bengaluru were covered in white foam, as seen in footage captured on Wednesday, and residents continued to struggle with the toxic froth spilling out of the city’s lakes due to a concoction of chemicals and sewage, which are then carried across the city by winds. The foam has become a regular fixture in the city, carrying with it a number of chemicals, including dangerous nitrates and sulphates, which have lead to health problems among residents.
Air pollution blankets the skyline in Tehran as school children and many employees in Iran's capital were told to stay at home due to a spike in levels. Tehran, a city of around 9 million people, suffers from chronic air pollution and regularly ranks among the world's most polluted cities. IMAGES
A thick layer of smog covers Delhi following a frenzied night of fireworks to celebrate the Hindu festival of lights, Diwali. The air quality dipped to the “very poor” category early Monday, with authorities warning of further deterioration in the levels. IMAGES
The World Health Organization strengthens its air quality guidelines as WHO Director-General Tedros Adhanom Ghebreyesus says air pollution "contributes to seven million deaths a year." The WHO's new guidelines recommend air quality levels for six pollutants, including ozone, nitrogen dioxide, sulphur dioxide and carbon monoxide. SOUNDBITE
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