SmogRank / India / Maharashtra / Kolhāpur
Kolhāpur, month by month
Kolhāpur has a measured daily mean on 534 days since 19 February 2025. Its worst month was December 2025, at 159 US AQI (66.9 µg/m³), 120th of 3,006 cities on that month's world ranking. Its cleanest was September 2026, at 56 US AQI (11.6 µg/m³).
Every month since 2025
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
Months without a mean, and why
3 months
| Month | Why |
|---|---|
| Oct 2026 | 6 of 12 days measured; a month needs 9. The others: 4 with no readings from the monitors, 1 with readings for part of the day (a day needs 18 hours), 1 with under 18 hours of readings or readings that failed our checks. |
| Jan 2026 | 20 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| Feb 2025 | 10 of 28 days measured; a month needs 20. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Kolhāpur's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| December 2025 | 15966.9 µg/m³ | 120thof 3,006 | – |
| November 2025 | 14151.8 µg/m³ | 165thof 2,715 | – |
| March 2026 | 9934.7 µg/m³ | 191stof 2,971 | – |
| March 2025 | 9834.2 µg/m³ | 229thof 2,862 | – |
| October 2025 | 9532.9 µg/m³ | 181stof 2,614 | India and Pakistan, October 2025 |
| February 2026 | 9230.9 µg/m³ | 243rdof 2,866 | – |
Monthly means over the days measured; finished months only. World rank: its place on that month's world ranking of every city with enough days. Each month opens that ranking.
Kolhāpur's worst days
| Day | US AQI |
|---|---|
| 11 Dec 2025 | 193115.4 µg/m³ |
| 9 Dec 2025 | 184103.0 µg/m³ |
| 10 Dec 2025 | 17792.0 µg/m³ |
| 12 Dec 2025 | 17590.3 µg/m³ |
| 28 Dec 2025 | 17590.2 µg/m³ |
| 26 Dec 2025 | 17285.7 µg/m³ |
| 8 Dec 2025 | 17082.1 µg/m³ |
| 13 Nov 2025 | 16980.9 µg/m³ |
| 29 Dec 2025 | 16879.7 µg/m³ |
| 7 Dec 2025 | 16777.8 µg/m³ |
Daily means, the highest since 19 Feb 2025; the WHO's daily guideline is 15 µg/m³. Each date opens that day's world ranking, and each episode the bad-air spell it was part of.
Use this history
SmogRank, PM2.5 monthly and daily means, Kolhāpur, India, 19 Feb 2025 – 7 Oct 2026. Monitor data from CPCB via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/in/kolhapur/history (accessed 12 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.
Kolhāpur now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 18:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some low-cost readings: Sensor.Community, ODbL (data and licence). Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published (why we use them).