2023
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Gurugram
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Ghaziabad
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Delhi
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Patna
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Detailed explanation-1: -Among the most polluted cities with respect to PM2. 5 levels, Delhi (99.71 micrograms per cubic metre) ranked first, Haryana’s Faridabad (95.64 micrograms per cubic metre) ranked second and Uttar Pradesh’s Ghaziabad (91.25 micrograms per cubic metre) third, according to the analysis of CPCB data.
Detailed explanation-2: -Abysmal statistics showed that Bhiwadi in Rajasthan with PM levels of 92.7 was found to be the most polluted city in India and third most polluted city in the world. Meanwhile, Delhi emerged to be the most polluted metropolitan city with PM levels of 92.6 which is almost 20 times the safe limit.
Detailed explanation-3: -Of PM2. 5 pollution, 38% came from road dust, 20% to vehicles, 12% to domestic fuel burning, and 11% to industrial point sources. Of PM10 pollution, 56% came from road dust, 10% from concrete batching, 10% from industrial point sources, and 9% from vehicles.