Koppal vs Rourkela
Side-by-side air quality comparison between Koppal and Rourkela.
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 | Koppal | Rourkela |
|---|---|---|
| PM2.5(µg/m³) | 5.90 | 111.80 |
| PM10(µg/m³) | 9.10 | 123.90 |
| NO₂(µg/m³) | 6.10 | 35.70 |
| SO₂(µg/m³) | 1.30 | 23.90 |
| O₃(µg/m³) | 38.00 | 66.00 |
| CO(µg/m³) | 124.00 | 408.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Koppal averaged an AQI of 65 while Rourkela averaged 115 — a 50-point (77%) gap, with Rourkela the more polluted and Koppal the cleaner of the two. On 320 days when both cities reported, Koppal was cleaner on 300 of them; the average daily gap was 79 AQI points.
Seasonality & days
Koppal peaks in February, while Rourkela peaks in November. Koppal logged 0% Severe days and 85.5% Good-or-Satisfactory days; Rourkela was 0% Severe and 32.9% Good-or-Satisfactory. Longest clean-air streaks: Koppal 47 days, Rourkela 60 days.
Year-over-year progress
Koppal has improved by 31 AQI points (32.3%) from 2020 to 2024; Rourkela has improved by 112 AQI points (49.3%) over the same window. The worst recorded day for Koppal reached AQI 384 at Diwator Nagar (KSPCB) on 2023-02-16; Rourkela hit AQI 344 at Raghunathpali (OSPCB) on 2024-01-01.
Station-level disparity
Koppal spans 1 CPCB stations with a 0-point spread (min 70, max 70); Rourkela spans 3 stations with a 29-point spread (min 106, max 135).
Verdict
🏆 Koppal has better air quality with an AQI of 10 compared to Rourkela's 273. That's a significant difference of 263 points.