Hubli-Dharwad vs Kolhapur
Side-by-side air quality comparison between Hubli-Dharwad 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 | Hubli-Dharwad | Kolhapur |
|---|---|---|
| PM2.5(µg/m³) | 5.50 | 12.60 |
| PM10(µg/m³) | 8.80 | 22.60 |
| NO₂(µg/m³) | 6.40 | 8.30 |
| SO₂(µg/m³) | 1.10 | 3.10 |
| O₃(µg/m³) | 37.00 | 32.00 |
| CO(µg/m³) | 111.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hubli-Dharwad averaged an AQI of 64 while Kolhapur averaged 100 — a 36-point (56%) gap, with Kolhapur the more polluted and Hubli-Dharwad the cleaner of the two. On 352 days when both cities reported, Hubli-Dharwad was cleaner on 281 of them; the average daily gap was 51 AQI points.
Seasonality & days
Hubli-Dharwad peaks in February, while Kolhapur peaks in November. Hubli-Dharwad logged 0% Severe days and 74.1% Good-or-Satisfactory days; Kolhapur was 0% Severe and 46.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Hubli-Dharwad 180 days, Kolhapur 81 days.
Year-over-year progress
The worst recorded day for Hubli-Dharwad reached AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21; Kolhapur hit AQI 321 at Shivaji University (MPCB) on 2024-11-12.
Station-level disparity
Hubli-Dharwad spans 2 CPCB stations with a 6-point spread (min 73, max 79); Kolhapur spans 2 stations with a 19-point spread (min 90, max 109).
Verdict
🏆 Hubli-Dharwad has better air quality with an AQI of 9 compared to Kolhapur's 23.