SmogRank / Countries / India / January 2026
Most polluted cities in India, January 2026
3 cities in India ranked by their average PM2.5 over the 31 days. Worst: Delhi at 176.9 µg/m³, #5 of 2,047 cities in the world. Cleanest: Hyderabad at 46.7. A city needs measurements on 70% of the days to be ranked.
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+
All cities in the world, January 2026 · India now
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SmogRank, most polluted cities in India, PM2.5, January 2026, smogrank.com/in/history/2026-01 (accessed 2 Oct 2026).
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