Alwar vs Kolhapur
Side-by-side air quality comparison between Alwar 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 | Alwar | Kolhapur |
|---|---|---|
| PM2.5(µg/m³) | 58.40 | 12.60 |
| PM10(µg/m³) | 169.00 | 22.60 |
| NO₂(µg/m³) | 17.10 | 8.30 |
| SO₂(µg/m³) | 7.70 | 3.10 |
| O₃(µg/m³) | 58.00 | 32.00 |
| CO(µg/m³) | 391.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Kolhapur averaged 100 — a 12-point (14%) gap, with Kolhapur the more polluted and Alwar the cleaner of the two. On 359 days when both cities reported, Alwar was cleaner on 223 of them; the average daily gap was 46 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Kolhapur was 0% Severe and 46.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Kolhapur 81 days.
Year-over-year progress
The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Kolhapur hit AQI 321 at Shivaji University (MPCB) on 2024-11-12.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Kolhapur spans 2 stations with a 19-point spread (min 90, max 109).
Verdict
🏆 Kolhapur has better air quality with an AQI of 23 compared to Alwar's 147. That's a significant difference of 124 points.