Kalyān vs Kolhapur
Side-by-side air quality comparison between Kalyān and Kolhapur.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Kalyān | Kolhapur |
|---|---|---|
| PM2.5(µg/m³) | 22.10 | 12.60 |
| PM10(µg/m³) | 40.40 | 22.60 |
| NO₂(µg/m³) | 23.10 | 8.30 |
| SO₂(µg/m³) | 21.70 | 3.10 |
| O₃(µg/m³) | 19.00 | 32.00 |
| CO(µg/m³) | 174.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kalyān averaged an AQI of 95 while Kolhapur averaged 100 — a 5-point (5%) gap, with Kolhapur the more polluted and Kalyān the cleaner of the two. On 362 days when both cities reported, Kalyān was cleaner on 208 of them; the average daily gap was 34 AQI points.
Seasonality & days
Kalyān peaks in January, while Kolhapur peaks in November. Kalyān logged 0.1% Severe days and 46.4% Good-or-Satisfactory days; Kolhapur was 0% Severe and 46.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Kalyān 78 days, Kolhapur 81 days.
Year-over-year progress
The worst recorded day for Kalyān reached AQI 414 at Khadakpada (MPCB) on 2022-01-24; Kolhapur hit AQI 321 at Shivaji University (MPCB) on 2024-11-12.
Station-level disparity
Kalyān spans 2 CPCB stations with a 18-point spread (min 98, max 116); Kolhapur spans 2 stations with a 19-point spread (min 90, max 109).
Verdict
🏆 Kolhapur has better air quality with an AQI of 23 compared to Kalyān's 40.