Ghaziabad vs Kolhapur
Side-by-side air quality comparison between Ghaziabad 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 | Ghaziabad | Kolhapur |
|---|---|---|
| PM2.5(µg/m³) | 69.60 | 13.60 |
| PM10(µg/m³) | 96.40 | 24.30 |
| NO₂(µg/m³) | 27.40 | 7.90 |
| SO₂(µg/m³) | 11.00 | 3.30 |
| O₃(µg/m³) | 65.00 | 37.00 |
| CO(µg/m³) | 542.00 | 130.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ghaziabad averaged an AQI of 177 while Kolhapur averaged 100 — a 77-point (77%) gap, with Ghaziabad the more polluted and Kolhapur the cleaner of the two. On 364 days when both cities reported, Kolhapur was cleaner on 315 of them; the average daily gap was 107 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Kolhapur was 0% Severe and 46.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Kolhapur 81 days.
Year-over-year progress
The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Kolhapur hit AQI 321 at Shivaji University (MPCB) on 2024-11-12.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); Kolhapur spans 2 stations with a 19-point spread (min 90, max 109).
Verdict
🏆 Kolhapur has better air quality with an AQI of 24 compared to Ghaziabad's 133. That's a significant difference of 109 points.