New Delhi's overall air quality index read 456 at 4 pm, up from 425 at 4 pm on Tuesday.
'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.
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The pollution board said that the situation will improve further by Sunday if favourable conditions prevail.
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.
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.
Report by Greenpeace also presented a grim picture of India's pollution level.
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.
Rickshaw pullers and construction workers are the worst hit.
"We have to make government responsible for this," the bench said and asked, "Why can't govt machinery stop stubble burning?"
Worse still, the cities ranked second, third and fourth for their poor air quality are also in India.
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".
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.'
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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.
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