Delhi Air Quality Deteriorates in October
Analysis based on 9 articles · First reported Nov 04, 2025 · Last updated Nov 05, 2025
The report on deteriorating air quality in India — Delhi and other National Capital Region cities could negatively impact industries like tourism and real estate in affected areas. Increased health concerns may also lead to higher healthcare expenditures and reduced productivity, potentially affecting the broader Indian economy.
A study by the Centre for Research on Energy and Clean Air revealed that India — Delhi was the sixth most polluted city in India in October, with its PM2.5 concentration nearly tripling from September. India — Dharuhera in India — Haryana topped the list as the most polluted city. The National Capital Region, including India — Ghaziabad and India — Noida, dominated the top 10 most polluted cities. The report emphasized the need for long-term emission control strategies beyond seasonal measures, as stubble burning contributed less than 6% to India — Delhi's PM2.5 levels. While 212 out of 249 monitored cities recorded PM2.5 levels below India's National Ambient Air Quality Standard, only six cities met the World Health Organization's daily safe guideline. India — Shillong in Meghalaya was noted as the cleanest city.
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