Ghaziabad Most Polluted City in India
Analysis based on 9 articles · First reported Dec 06, 2025 · Last updated Dec 07, 2025
The severe air pollution in cities like India — Ghaziabad and India — Delhi could negatively impact public health, potentially leading to increased healthcare costs and reduced productivity, which may affect local economies. While there is no direct stock market impact, the persistent environmental issue could influence investment decisions in affected regions of India, particularly for industries sensitive to environmental regulations or public health concerns.
India — Ghaziabad emerged as the most polluted city in India in November, with a monthly average PM2.5 concentration of 224 micrograms per cubic metre, according to an analysis by the Centre for Research on Energy and Clean Air. The entire top 10 most polluted cities were within the National Capital Region and its surrounding areas, including India — Noida, India — Bahadurgarh, India — Delhi, India — Hapur, India — Greater Noida, India — Baghpat, India — Sonipat, India — Meerut, and India — Rohtak. India — Delhi ranked fourth, with PM2.5 levels nearly doubling from October. Despite a lower contribution from stubble burning, pollution levels in 20 out of 29 National Capital Region cities were higher than last year, indicating persistent year-round sources like vehicular emissions, industries, and power plants. Air pollution remained a significant concern across several states, with India — Rajasthan, India — Haryana, India — Uttar Pradesh, India — Madhya Pradesh, India — Odisha, and India — Punjab, India reporting high numbers of polluted cities. In contrast, India — Shillong in India — Meghalaya was identified as the cleanest city.
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