Hosur vs Kolhapur
Side-by-side air quality comparison between Hosur 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 | Hosur | Kolhapur |
|---|---|---|
| PM2.5(µg/m³) | 4.50 | 13.60 |
| PM10(µg/m³) | 5.00 | 24.30 |
| NO₂(µg/m³) | 7.50 | 7.90 |
| SO₂(µg/m³) | 4.10 | 3.30 |
| O₃(µg/m³) | 38.00 | 37.00 |
| CO(µg/m³) | 140.00 | 130.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Hosur averaged an AQI of 90 while Kolhapur averaged 100 — a 10-point (11%) gap, with Kolhapur the more polluted and Hosur the cleaner of the two.
Seasonality & days
Hosur peaks in December, while Kolhapur peaks in November. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Kolhapur was 0% Severe and 46.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Kolhapur 81 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Kolhapur hit AQI 321 at Shivaji University (MPCB) on 2024-11-12.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Kolhapur spans 2 stations with a 19-point spread (min 90, max 109).
Verdict
🏆 Hosur has better air quality with an AQI of 8 compared to Kolhapur's 24.