Ariyalur vs Kolhapur
Side-by-side air quality comparison between Ariyalur 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 | Ariyalur | Kolhapur |
|---|---|---|
| PM2.5(µg/m³) | 7.50 | 12.60 |
| PM10(µg/m³) | 9.90 | 22.60 |
| NO₂(µg/m³) | 8.40 | 8.30 |
| SO₂(µg/m³) | 5.00 | 3.10 |
| O₃(µg/m³) | 42.00 | 32.00 |
| CO(µg/m³) | 137.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Kolhapur averaged 100 — a 54-point (117%) gap, with Kolhapur the more polluted and Ariyalur the cleaner of the two. On 301 days when both cities reported, Ariyalur was cleaner on 270 of them; the average daily gap was 69 AQI points.
Seasonality & days
Ariyalur peaks in March, while Kolhapur peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Kolhapur was 0% Severe and 46.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Kolhapur 81 days.
Year-over-year progress
The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Kolhapur hit AQI 321 at Shivaji University (MPCB) on 2024-11-12.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Kolhapur spans 2 stations with a 19-point spread (min 90, max 109).
Verdict
🏆 Ariyalur has better air quality with an AQI of 13 compared to Kolhapur's 23.