Kolhapur vs Vellore
Side-by-side air quality comparison between Kolhapur and Vellore.
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 | Vellore |
|---|---|---|
| PM2.5(µg/m³) | 12.60 | 8.00 |
| PM10(µg/m³) | 22.60 | 10.00 |
| NO₂(µg/m³) | 8.30 | 11.40 |
| SO₂(µg/m³) | 3.10 | 4.50 |
| O₃(µg/m³) | 32.00 | 41.00 |
| CO(µg/m³) | 117.00 | 175.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolhapur averaged an AQI of 100 while Vellore averaged 61 — a 39-point (64%) gap, with Kolhapur the more polluted and Vellore the cleaner of the two. On 183 days when both cities reported, Vellore was cleaner on 161 of them; the average daily gap was 65 AQI points.
Seasonality & days
Kolhapur peaks in November, while Vellore peaks in December. Kolhapur logged 0% Severe days and 46.400000000000006% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Kolhapur 81 days, Vellore 23 days.
Year-over-year progress
The worst recorded day for Kolhapur reached AQI 321 at Shivaji University (MPCB) on 2024-11-12; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Kolhapur spans 2 CPCB stations with a 19-point spread (min 90, max 109); Vellore spans 1 stations with a 0-point spread (min 70, max 70).
Verdict
🏆 Vellore has better air quality with an AQI of 13 compared to Kolhapur's 23.