Category Archives: Air Quality

Welcome to Onitsha: the city with the world’s worst air 

The Nigerian city has recorded the world’s worst levels of PM10 air pollution. But although the results are lethal, the problem is not taken seriously here Approaching Okpoko market through thick smog on the back of an okada (motorcycle taxi), … Continue reading →

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Beijing bans higher emission vehicles to control air pollution 

Light-duty gasoline-powered cars that fail to meet the National Emission Standard III will be banned from entering Beijing’s fifth ring on weekdays. Beijing has banned high-emission vehicles in a bid to control recurring air-pollution enveloping the city with a population … Continue reading →

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Improvements in short-term forecasting of air pollution levels 

The research project carried out by a researcher at UPM has successfully predicted the daily maximum ozone threshold exceedances in the Hong Kong area. The results show that an accurate and prompt prediction of tropospheric ozone concentrations is of great … Continue reading →

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Public transport users exposed to more pollutants

Commuters who use public transport are exposed to up to eight times the level of pollutants as motorists, a study has found. Researchers discovered that passengers are exposed to cancer-causing particulates, which come from dust in the air and vehicle … Continue reading →

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Tipping point: revealing the cities where exercise does more harm than good 

In at least 15 cities, air pollution has now become so bad that the danger to health of just 30 minutes of cycling outweighs the benefits of exercise altogether, according to new research Who says exercise is always good for … Continue reading →

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The war against air pollution has begun – and it will be fought in cities 

The air pollution crisis is getting worse. As the world becomes increasingly urbanised, the battle will be won or lost on the streets of our cities You never see ‘air pollution’ written as the cause on death certificates,” an expert … Continue reading →

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A plan to clean up Britain’s toxic air 

Pollution shortens Londoners’ lives by between nine and 16 months GAZING out over London’s chimneys, Liverpool’s docks or Edinburgh’s spires can cloud a tourist’s judgment. Air pollution “plagues” Britain, says one UN official. The capital is particularly nasty, and compares … Continue reading →

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Chinese air pollution linked to respiratory and cardiovascular deaths 

In the largest epidemiological study conducted in the developing world, researchers found that as exposures to fine particulate air pollution in 272 Chinese cities increase, so do deaths from cardiovascular and respiratory diseases. The researchers reported their results in “Fine … Continue reading →

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