Kolhapur vs Tirunelveli
Side-by-side air quality comparison between Kolhapur and Tirunelveli.
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 | Tirunelveli |
|---|---|---|
| PM2.5(µg/m³) | 11.80 | 2.00 |
| PM10(µg/m³) | 25.60 | 2.70 |
| NO₂(µg/m³) | 1.10 | 1.10 |
| SO₂(µg/m³) | 1.70 | 0.60 |
| O₃(µg/m³) | 92.00 | 52.00 |
| CO(µg/m³) | 128.00 | 101.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolhapur averaged an AQI of 100 while Tirunelveli averaged 30 — a 70-point (233%) gap, with Kolhapur the more polluted and Tirunelveli the cleaner of the two. On 119 days when both cities reported, Tirunelveli was cleaner on 114 of them; the average daily gap was 86 AQI points.
Seasonality & days
Kolhapur peaks in November, while Tirunelveli peaks in October. Kolhapur logged 0% Severe days and 46.400000000000006% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Kolhapur 81 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Kolhapur reached AQI 321 at Shivaji University (MPCB) on 2024-11-12; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Kolhapur spans 2 CPCB stations with a 19-point spread (min 90, max 109); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).
Verdict
🏆 Tirunelveli has better air quality with an AQI of 3 compared to Kolhapur's 26.