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Pollution in the Indian capital as 963 new vehicles are added to the city's streets everyday. After the shift to CNG (Compressed natural Gas) a cleaner fuel by the city's buses and public transportation the air quality improved somewhat, now there is renewed fear that New Delhi will be as polluted as before and be in a toxic haze with hazardous air quality. With the introduction of a $2500 car by Tata Motors next year cars will be more affordable and with more cars on the streets pollution is likely to get worse unless something is done about it.

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New Delhi home to 30 million people is seeing a spike in coronavirus cases in a second wave with 7000 cases daily and 100 deaths. The Diwali holiday could result in more cases. The drop in air quality comes with winter and thick smog over Delhi at tis time of the year. People with asthma are having a harder time. Doctors and scientists say the combination of poor air quality with the virus increases risk of respiratory illness. 

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As winter approaches pollution reaches dangerous levels in New Delhi causing a public health emergency. Millions of anti-pollution masks are now distributed at schools, colleges, hospitals and local markets. As the weather cools a thick haze from car emissions and coal power plants builds up over New Delhi making it hard to see. The cool weather appears to trap the pollutants in northern India against the Himalayan mountains creating a stifling haze. Construction dust and smoke from paddy crop burned in the Punjab adds to the problem. This year it is getting worse than ever. Pollution levels are about 20 times what is considered healthy by the WHO. The air quality index hit 494 on November 3, 2019. Some parts of the city hit 1000 on the index. Over 500 is considered dangerous and "hazardous" to health. The government of Delhi and the state and federal authorites have taken some action to close schools, ban work at construction sites, implemented odd even license plates rule for cars entering New Delhi. A survey shows about 40% of residents of New Delhi wanted to move to some other city, and 16% want to travel this time of the year to escape pollution. ...

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Indian regulators, the Commission for Air Quality Management, closed 6 of the 11 coal fired electricity plants within 100 kilometers radius of New Delhi, as it battles toxic smog that has covered the city for about 2 weeks. Schools and colleges are closed till further notice, and entry of trucks is restricted till November 21. 

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Cities that drop in the Livability Index of the Economist Intelligence Unit include New Delhi with poor air quality and petty crime slipping 6 places to 117  and Mumbai for culture downgrade by two places to 118. Karachi is at 136 place and Dhaka is the third lowest with weak infrastructure. Melbourne, Australia and Vienna, Austria are the top 2 places.

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Air quality index for PM2.5- particulate matter 2.5 extremely hazardous- reached 285 on November 9, 2023. The thick smoke was visible on NASA satellite imagery. Much of it come from burning of paddy rice straw after the rice harvest in states of Haryana and Punjab near New Delhi. Governments at the federal level and state levels have failed to stop the burning of stubble. The fire smoke adds to pollutants from industrial activities, and pollution from cars and buses. The first week of November and last week of October was when fire activity happened this year, delayed after monsoon rains.

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A significant part of the haze and air pollution in New Delhi, India, comes from crop burning in the neighboring Punjab and Haryana region. Here the Hindu newspaper looks at the practice that has not changed even after a 2015 government and NGT order banning the practice. This report cites data from the state of Punjab showing 65% of the 1.85 million farming families in the Punjab are small and marginal farmers. The problem is that the rice paddy harvest leaves 19.7 million tons of paddy straw in the fields and the farmers see burning this as a quick way to avoid incurring the cost of machinery and labor. The Punjab government is required to provide machinery to farmers for preventing the burning. Farmers say it has not provided this. Punjab government seeks funding from the central government in Delhi for meeting the cost. Till then marginal farmers continue their old ways creating a thick haze over New Delhi. Solutions proposed are having more biomass plants to generate energy and use the paddy straw, a Happy Seeder variety that takes works with the straw, and shifting to Basmati rice instead of the common rice crop. The way Indian democracy works political parties have remained wary of collectively working out solutions, letting the problem continue.  ...

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According to a report from China's Environment Ministry for the first half of 2013, only 4 cities met the acceptable air quality standards. The national grade 2 standard in China is for 35 micrograms per cubic meter for levels of airborne particulate matter smaller than 2.5 micrograms in diameter. WHO standard is for 25 micrograms per cubic meter in a 24 hour period. The 4 cities with acceptable air qualty out of 74 cities monitored by the Environment Ministry are Lhasa in Tibet, island city Haikou, coastal town Zhoushan, and Pearl River Delta city of Huizhou.