Category Archives: Air Quality

Tehran’s air pollution hits worst level in months 

Air pollution in Iran’s capital hit its worst level — for a day without a sandstorm — in at least nine months on Monday, prompting warnings that all citizens should stay indoors. “Tehran’s air is unhealthy for all,” said the … Continue reading →

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Shanghai Warns People to Stay Indoors on ‘Severe’ Air Pollution

Shanghai warned children and elderly to remain indoors and everyone else to avoid physical activity outdoors as air pollution levels worsened. The city’s air was classified as “severely polluted,” the worst level of a 6-grade scale, as the air quality … Continue reading →

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Delhi’s pollution one-and-half times worse than Beijing 

Delhi’s air pollution has been one-and-a-half times worse than in Beijing over the past week, according to an IndiaSpend analysis of PM 2.5 (Particulate Matter) concentration data. The analysis is based on a comparison of data generated by IndiaSpend’s #Breathe … Continue reading →

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UK pushing for limits on air pollution to be relaxed, documents reveal 

In papers seen by the Guardian, government calls for carmakers to be allowed to far exceed the nitrogen oxides limit until 2021 The UK is pushing for a weakening of air pollution limits and a delay to their introduction in … Continue reading →

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Urban air pollution: What are the main sources across the world? 

Particulate matter (PM) in the air can enter the human body, affecting the cardiovascular system as well as other major organs. Chronic exposure leads to a number of health risks. Researchers have identified the main categories of PM in urban air … Continue reading →

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October, November witnessed ‘unhealthy’ air quality levels in Gurgaon too 

WHILE Delhi continues to be in the spotlight for its unhealthy air quality, its neighbour Gurgaon is not far behind. In response to an RTI by a city-based activist, the Haryana State Pollution Control Board (HSPCB) said Gurgaon’s air quality … Continue reading →

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A view of Paris from a hot air balloon: putting pollution on the climate agenda 

The air quality is officially “good”, 400ft above Paris in a balloon at rush hour. From that height you can see the ring road and many of the city’s 37 bridges blocked with traffic, the commuting trains coming in, and … Continue reading →

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China Bans Cars As Air Pollution Hits Red-Alert Status 

Beijing is at whit’s end about how to solve its awful air pollution problem. Air quality continues to worsen year over year. And after a week of heavy smog in the capital city, authorities banned millions of people from driving … Continue reading →

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