How much of Delhi’s pollution comes from stubble burning

Winter is coming, and so is the pollution! Over the last few years, winters in Delhi have come to be synonymous with high pollution levels.

Though stubble burning in Punjab, Haryana, and Uttar Pradesh is a significant contributor to Delhi's air pollution, vehicular emissions, construction dust, industrial activities, and domestic biomass burning are also among the major reasons.

Data from multiple scientific studies show a more nuanced reality. Stubble burning is a major factor that can significantly escalate pollution for short periods during the post-monsoon season, but remains one of several key contributors.

According to a study published earlier this year, the crop residue burning in Punjab and Haryana only contributes about 14% of PM2.5, The Hindu reported.

The study, publish