New Delhi:Replying to a supplementary question on the situation of air quality in Delhi, Union Minister of Environment Prakash Javadekar said that the main reason behind deteriorating air quality in the national capital in the month of September to November is the stubble burning in Haryana and Punjab.
He said that stubble burning in Punjab has increased by 75 per cent this year while it has increased by 25 per cent in Haryana.
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Union government has spent a huge amount on providing 40,000 machines to the states but they are used seldom. The wind from September to November is eastward due to which the pollution increased in Delhi, the minister added.