Delhi's air pollution worst in India, stubble burning just 10%: Study

The article reports that the capital Delhi was the most polluted city in India in October 2024, with average PM2.5 levels reaching 111 µg/m³ — the worst since 2021. According to a report by Centre for Research on Energy and Clean Air (CREA), only about 10% of Delhi’s pollution came from stubble burning, while a large share — 60–70% — drifted in from outside the city. The rest of the pollution is attributed to persistent local sources such as vehicle emissions, power plants, brick kilns, industries, and construction activities. The article argues that to clean Delhi’s air, controlling year-round local pollution sources is more crucial than focusing only on crop-residue burning.

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