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WHO report says Delhi has worst air pollution

中國日報網 2014-05-09 10:33

 

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Indian capital Delhi has the most polluted air in the world, according to a World Health Organization report released on Wednesday that covers 1,600 cities and 91 countries.

Indian media quoted figures from the report showing that Delhi has the highest concentration of PM2.5 particles - those with a diameter of less than 2.5 microns, which can penetrate human lungs, seriously damaging health.

Air in the capital has a PM2.5 concentration of 153 micrograms per cubic meter (g/m), far above the WHO standard of just 10g/m, according to the Times of India.

The fine particulate pollution is significantly higher in Delhi than many other crowded Asian cities, including Beijing, which is given a PM2.5 level of 56g/m by the WHO report, while Shanghai is listed with concentration of 36g/m.

Karachi in Pakistan, meanwhile, is listed much higher, at 117g/m.

The concentration of PM10 - coarse particles - in Delhi is about 286g/m, more than 14 times higher than the WHO annual mean standard of 20g/m.

Two other cities in Pakistan fare far worse on PM10: Peshawar at 540g/m and Rawalpindi at 448g/m.

Indian cities with a very high PM10 level include Gwalior, Raipur and Luck now.

This is not the first time Delhi has earned the dubious distinction of having extremely polluted air. In January, Yale University's Environmental Performance Index 2014 ranked India among the bottom five in a list of 178 countries based on various criteria, including air pollution, according to the newspaper.

The university's figures sparked controversy in India after the data was interpreted as meaning Delhi's air quality was worse than that of Beijing. The government of Delhi and the ministry of earth sciences both denied this, but the Times of India said the latest WHO figures show that Beijing has better systems in place to deal with air pollution.

The newspaper quoted Dr Maria Neira, WHO director for Public Health, Environmental and Social Determinants of Health, as saying, "Cities such as Copenhagen and Bogota have improved air quality by promoting 'active transport' and prioritizing dedicated networks of urban public transport, walking and cycling."

(中國日報網英語點津 Helen 編輯)

WHO report says Delhi has worst air pollution

About the broadcaster:

WHO report says Delhi has worst air pollution

Lance Crayon is a videographer and editor with China Daily. Since living in Beijing he has worked for China Radio International (CRI) and Global Times. Before moving to China he worked in the film industry in Los Angeles as a talent agent and producer. He has a B.A. in English from the University of Texas at Arlington.

 
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