National Capital New Delhi witnesses a spike in air pollution every year during the months of October, November and December. Winter fog combined with smoke and dust creates a cloud of smog, reducing visibility and increasing health hazards.
According to a report by Financial Express, air pollution in Delhi is a result of presence of PM2.5 and PM10 particles, carbon-dioxide, carbon mono-oxide, nitrogen oxides, sulphur di-oxide, etc. The main sources of pollution are the transport system, construction/demolition activities, road sweeping, coal-fired energy plants and brick-kilns, and most importantly, rice stubble burning in bordering states in winter months of October and November.
Now, scientists at NASA say that there may be a spike in farm fires this winter. This is because crop harvest in Punjab and Haryana, this year, may be the highest in several years owing to longer stay of monsoon and some local factors. Read more
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