Kolhapur vs Patna
Side-by-side air quality comparison between Kolhapur and Patna.
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 | Kolhapur | Patna |
|---|---|---|
| PM2.5(µg/m³) | 13.60 | 97.80 |
| PM10(µg/m³) | 24.30 | 109.40 |
| NO₂(µg/m³) | 7.90 | 40.50 |
| SO₂(µg/m³) | 3.30 | 18.90 |
| O₃(µg/m³) | 37.00 | 52.00 |
| CO(µg/m³) | 130.00 | 667.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolhapur averaged an AQI of 100 while Patna averaged 172 — a 72-point (72%) gap, with Patna the more polluted and Kolhapur the cleaner of the two. On 364 days when both cities reported, Kolhapur was cleaner on 337 of them; the average daily gap was 127 AQI points.
Seasonality & days
Kolhapur peaks in November, while Patna peaks in December. Kolhapur logged 0% Severe days and 46.400000000000006% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Kolhapur 81 days, Patna 30 days.
Year-over-year progress
The worst recorded day for Kolhapur reached AQI 321 at Shivaji University (MPCB) on 2024-11-12; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Kolhapur spans 2 CPCB stations with a 19-point spread (min 90, max 109); Patna spans 6 stations with a 39-point spread (min 154, max 193).
Verdict
🏆 Kolhapur has better air quality with an AQI of 24 compared to Patna's 227. That's a significant difference of 203 points.