Air pollution crisis: Ghaziabad most polluted in November, Delhi fourth worst, says report

The Hindu
The Hindu
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Ghaziabad was the most polluted city in India in November 2025, with PM2.5 levels significantly above national standards. Delhi ranked fourth, highlighting ongoing air quality issues in the region.
Air pollution crisis: Ghaziabad most polluted in November, Delhi fourth worst, says report
A What happened
According to a report by the Centre for Research on Energy and Clean Air, Ghaziabad was the most polluted city in India in November 2025, with a PM2.5 concentration of 224 micrograms per cubic meter. Delhi ranked fourth with a concentration of 215 micrograms, nearly double its October average. The report noted that 20 out of 29 cities in the NCR recorded higher pollution levels than the previous year. While stubble burning contributed less to Delhi's pollution this year, year-round sources like transport and industry remain significant contributors. The report emphasizes the need for sector-specific emission cuts to improve air quality. Shillong was identified as the cleanest city, with a PM2.5 level of just 7 micrograms.
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Key insights

  • 1

    Ghaziabad's pollution levels

    Recorded PM2.5 concentration of 224 micrograms per cubic meter.

  • 2

    Delhi's air quality

    Ranked fourth with a PM2.5 level of 215 micrograms.

  • 3

    Stubble burning impact

    Contributed only 7% to Delhi's pollution, down from 20% last year.

  • 4

    Need for emission cuts

    Year-round sources are major contributors to pollution.

Takeaways

The air pollution crisis in Ghaziabad and Delhi underscores the urgent need for effective measures to address year-round pollution sources, beyond just seasonal factors like stubble burning.

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