The Delhi government banned entry of medium and heavy vehicles, especially trucks, in the city from 1 October this year to February 28, 2023 to curb air pollution in the winter.
Air quality in Delhi has been terrible in winters in recent years, with the city turning into a gas chamber as smog wraps the city like a blanket, making it difficult to breathe.
The primary causes of the pollution are air pollution from crop residue burning in the farms of Haryana and Punjab and Uttar Pradesh and industrial and vehicular emissions.
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In the past the city government has tried the policy of odd-even for vehicles, wherein vehicles with odd or even numbers are allowed to run on alternate days.
Trucks are major sources of pollution since many of them use the roads of Delhi to criss-cross the region between Rajasthan, Haryana and Uttar Pradesh.
The courts have issued orders in the past banning entry of trucks that do not have their destinations in Delhi and asked them to go around the national capital in order to decrease the pollution levels in the city.
Courts have also at times banned or restricted burning or lighting of firecrackers during Diwali festival season as this too considerably increases the air pollution and smog levels in the city.