Ghaziabad Most Polluted Indian City in Nov; Delhi Ranks 4th

• Ghaziabad was India's most polluted city in November (224 µg/m³ PM2.5), with Delhi ranking fourth (215 µg/m³ PM2.5).
• The top 10 most polluted cities included Ghaziabad, Noida, Bahadurgarh, Delhi, Hapur, Greater Noida, Baghpat, Sonipat, Meerut, and Rohtak, with Uttar Pradesh having six of these.
• Despite reduced stubble burning influence, year-round sources like transport and industry are identified as dominant drivers of high pollution levels.
• Shillong, Meghalaya, was reported as the cleanest city in November, with a monthly average PM2.5 concentration of 7 µg/m³.

Why It Matters: Local pollution sources cause widespread, dangerous air quality in Indian cities.