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What Delhi’s air pollution says about India and climate change

Original Source:  http://www.washingtonpost.com/blogs/worldviews/wp/2015/01/26/as-obama-visits-what-delhis-air-pollution-says-about-india-and-climate-change/


NEW DELHI –The thick winter haze that settles over Delhi – a nasty mix of smog, vehicle exhaust and smoke from cooking fires – abated somewhat when President Obama arrived in India this week for talks. A bit of rain came and cleared the air. Even so, the air quality index hovered around 200 when the president arrived at the viewing stand to watch India’s Republic Day Parade on Monday. That’s approaching what’s deemed a “very unhealthy” level of the microscopic 2.5 particulate matter, which causes respiratory disease and other ailments.

The Americans were prepared. Delhi police had kept traffic to a minimum around the parade route, and the Embassy ordered 1,800 Swedish air purifiers in the weeks preceding the American delegations’ arrival. (It’s not clear whether any of those air filters actually made it into Obama’s special bullet-proof parade enclosure, as the Indian media had reported.)
Bloomberg published a story Monday titled “Mr. President, World’s Worst Air is Taking 6 Hours Off Your Life,” which argued that Delhi’s toxic air was so harmful that it could shorten the president’s longevity

“I think in Delhi, I think particularly at this time of the year, the air quality deteriorates,” John Podesta, counselor to the president, said to reporters in Delhi on Sunday. “But I think we weren’t concerned about bringing the president here for these meetings.”
The air in New Delhi is the worst in the world, according to a World Health Organization report last year. Environmentalists say that efforts to control it – such as a switch to clean-burning natural gas for auto rickshaws – have made little long-term impact as the city has sprawled, eight coal-fired power plants chugged out more power and more than 7 million cars clogged the roads.
The situation is hardly better in in other parts of the country. Earlier this year, a report by a Yale University research team showed that India ranked 174th of 178 countries in air quality, somewhere close to China and Pakistan.
On Sunday, the president and Prime Minister Narendra Modi announced that the two countries would work to battle pollution in India’s cities by implementing the Environmental Protection Agency’s international air quality forecasting system AIRNow.



More info: 
AIRNow http://www.airnow.gov/
Air Quality Index  http://en.wikipedia.org/wiki/Air_quality_index
PM 2.5 http://www.epa.gov/pmdesignations/

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