Kolhapur vs Visakhapatnam
Side-by-side air quality comparison between Kolhapur and Visakhapatnam.
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 | Visakhapatnam |
|---|---|---|
| PM2.5(µg/m³) | 11.80 | 33.50 |
| PM10(µg/m³) | 25.60 | 38.90 |
| NO₂(µg/m³) | 1.10 | 6.30 |
| SO₂(µg/m³) | 1.70 | 32.40 |
| O₃(µg/m³) | 92.00 | 187.00 |
| CO(µg/m³) | 128.00 | 362.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolhapur averaged an AQI of 100 while Visakhapatnam averaged 110 — a 10-point (10%) gap, with Visakhapatnam the more polluted and Kolhapur the cleaner of the two. On 348 days when both cities reported, Kolhapur was cleaner on 178 of them; the average daily gap was 53 AQI points.
Seasonality & days
Kolhapur peaks in November, while Visakhapatnam peaks in January. Kolhapur logged 0% Severe days and 46.400000000000006% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Kolhapur 81 days, Visakhapatnam 27 days.
Year-over-year progress
The worst recorded day for Kolhapur reached AQI 321 at Shivaji University (MPCB) on 2024-11-12; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Kolhapur spans 2 CPCB stations with a 19-point spread (min 90, max 109); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Kolhapur has better air quality with an AQI of 26 compared to Visakhapatnam's 57.