Rediff Labs has analysed Delhi region's air quality through its product real-time air quality analyser
Under the red alert, which is the highest in the four-tier emergency response system created in 2013, all schools have been ordered to be closed, and outdoor construction halted.
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The SC said, "You must tell us some way of preventing unemployment also. We cannot have people unemployed and hungry. There are areas where firecrackers can be used."
Air toxics emissions are high from older vehicles.
Beijing's sky was gloomy and the ground largely deserted.
Other Graded Response Action Plan measures like ban on diesel generators, hot mix plants, stone crushers and brick kilns, however, continue to remain in place.
According to a study by the medical journal, the Lancet, air pollution has emerged as the deadliest form of pollution and the fourth leading risk factor for premature deaths worldwide.
The government sought exemption of women drivers from the scheme, saying it may affect the safety and security of women.
The fine particulate matter PM2.5 touched 304 micrograms per cubic metre on Saturday, which is regarded very unhealthy specially for people with heart and lung problems.
Experts are unanimously endorsing that a reduction in the volume of cars is bringing down levels of gaseous pollutants in New Delhi.
In terms of disability adjusted life years, an average person in Delhi lost a healthy week of their life in 2017, and almost all of it due to outdoor air pollution.
Report by Greenpeace also presented a grim picture of India's pollution level.
The air quality in Delhi is turning worse, Deputy Chief Minister Manish Sisodia said.
Rickshaw pullers and construction workers are the worst hit.
India's state-run NTPC is launching bids for clean technology for two coal-fired power plants near New Delhi, officials said, as criticism mounts over the country's failure to end a toxic smog which strikes the capital every winter.
The NGT has asked the Centre to respond to the plea of an environment enthusiast alleging that large-scale burning of municipal solid waste in Agra was turning the Taj Mahal yellow.
Over 17,000 schools running under the three municipal corporations of Delhi were closed on Saturday due to heavy smog that has already caused a spike in cases of asthma, allergy and breathlessness
'The greatest danger is that the current crisis will clear a little, we'll be able to see our hands in front of our faces, and with great relief we'll forget all about it and willingly breathe poison until next November', says Mitali Saran.
The pollution board said that the situation will improve further by Sunday if favourable conditions prevail.
As the curtains came down on the odd-even pilot scheme on Friday, Chief Minister Arvind Kejriwal appealed to the people of Delhi to continue observing the car rationing measures "voluntarily", which the government claimed has reduced air pollution by up to 25 per cent.
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In India, the pollution levels are highest in the north.
The ambitious odd-even scheme of Delhi government got off to a decent start on new year with volume of cars on the city roads coming down significantly.
Air quality in the city of 16 million is usually bad in winter.
The apex court also directed the Centre not to renew for possessing, stocking and selling of fire crackers licences till further orders.
As Delhi-NCR chokes on post-Diwali pollution, demand for air purifiers has spiked with manufacturers such as Eureka Forbes, Blueair, Kent RO and Panasonic expecting up to four-fold jump in sales.
Union Environment Minister Harsh Vardhan welcomed the apex court's order and urged people to abide by the SC guidelines and 'give green Diwali and our environment a chance'
NHRC issues notices to Centre and governments of Delhi, Punjab and Haryana, saying 'the state cannot leave its citizens to die due to the toxic haze.'
'Petrol cars, which constitute the majority, do not contribute to the 2.5 PM emissions as petrol used in the country is of higher quality.'
Zhangjiakou, the joint-bidding city of Beijing for 2022 Winter Olympics, is developing fast in skiing industry. Mayor Hou Liang said on Thursday that the Hebei city had been training coaches to meet the need of the rapid development.
The Centre will provide all help to ensure that a new Kashmir comes into being and fresh job opportunities are created for the unemployed youths, he said.
Hundreds of school children on Wednesday took pledge in the presence of Delhi Chief Minister Arvind Kejriwal to fight pollution and convince their parents, relatives and friends to adhere to the odd-even scheme to be rolled out in two days.
Delhi is witnessing an "emergency situation" due to alarming pollution level, the Centre on Saturday said and called a meeting of environment ministers of all neighbouring states on Monday to curb stubble burning by farmers which has made Delhi a "gas chamber".
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Worse still, the cities ranked second, third and fourth for their poor air quality are also in India.
With pollution reaching alarming levels post Diwali, what is the best way to cope?
Measures that will make Indian cities more organised and liveable need to be implemented to tackle the menace of pollution.
Similar traffic restrictions in other cities did not see a significant improvement in air quality only because car owners begin making more trips during their unrestricted periods. The other apprehension, as seen in other cities, is that residents have bought secondhand cars, using the other number plate so that they can continue to drive to their work place, thereby defeating the very purpose of this scheme.
A chat with employees at Paharpur gives you a brief glimpse into a happy and energetic workplace.