“The Indian state of Punjab has two growing seasons: one from May to September and another from November to April," NASA said. "Many Punjab farmers rotate between crops, planting rice in May and wheat in November. In order to quickly prepare their fields for the wheat crop, many farmers simply burn leftover plant debris in late-October and November after harvesting rice. The practice is known as paddy stubble burning.”
When NASA’s Moderate Resolution Imaging Spectro-radiometer’s aqua-satellite passed over Punjab, it captured the thick blanket of fog lying just south of Punjab in Delhi.
The image was taken on October 31 and the large area covered by the red dots is where the burning was taking place. Along with the fire, one can see a layer of aerosols, which include smoke, haze, dust and particulate air pollutants. Officials of the Delhi Pollution Control Committee officials along with scientists at System of Air Quality Weather Forecasting and Research Centre have said that such burning is adding to Delhi's local pollution load.
“Pollution doesn't have boundaries," Anumita Roy Chowdhury of the Centre for Science and Environment told The Economic Times. "All states need to act together."
The Punjab fires will only compound the smoggy conditions that Delhi is experiencing early in the mornings these days, and air pollution is only going to increase in the coming weeks.
Crop burning is already illegal in most states in India, including Punjab, and violators are supposed to be booked under section 188 (disobedience to order duly promulgated by public servant) of the Indian Penal Code and the Air (Prevention and Control of Pollution) Act.
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