Tag Archives: PM2.5

Kolkata air quality fails safety test

The city has always been polluted but the rate at which its level is increasing has turned menacing. A series of tests of ambient air quality at five crossings — carried out by TOI in association with Saviors and Friends … Continue reading

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Central, southern Taiwan battling hazardous air pollution

The Environmental Protection Administration (EPA) issued an air pollution alert Sunday for central and southern Taiwan and the Kinmen islands off southern China, saying particulate concentrations were at levels that could affect people’s health. The index for PM2.5 particulates, which … Continue reading

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Air pollution ‘link to stroke risk’

Air pollution is linked to an increased risk of stroke, a large global study in the British Medical Journal suggests. Scientists say even short-term spikes in pollution were mirrored by a rise in strokes – particularly in low and middle-income … Continue reading

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L.A. story: Cleaner air, healthier kids

A 20-year study shows that decreasing air pollution in Los Angeles has led to healthier lungs for millennials when compared to children in the ’90s. The gains in lung function paralleled improving air quality in the communities studied, and across … Continue reading

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‘Very high’ Hong Kong air pollution levels set to continue until the weekend

Bad air in Hong Kong is likely to persist until the weekend as weak winds fail to disperse pollutants. “Very high” concentrations of air pollution engulfed Causeway Bay and Central this afternoon, while “high” levels were recorded in several other … Continue reading

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Delhi Has World’s Worst Air: Are We Breathing In Toxins?

Do you never smoke? Then you are pretty much safe from lung diseases, right? Wrong. Well, just in case you happen to be a Delhi-ite, you actually breathe in air that is akin to smoking 40 cigarettes a day. And … Continue reading

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Air pollution in India: Breathe uneasy

IN THE early hours of a January morning, all lanes of a motorway into Delhi are crammed with hundreds of rumbling lorries. These are brightly painted, with signs imploring overtaking drivers to “Honk please”. Every night immense convoys like this … Continue reading

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Decreases in short-term memory, IQ, and altered brain metabolic ratios in urban apolipoprotein ε4 children exposed to air pollution

Anew study by researchers at the Universities of Montana, Carleton, and North Carolina, and the Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México, heightens concerns over the detrimental impact of the apolipoprotein E (APOE) ε4 allele — … Continue reading

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