Hubli-Dharwad vs Rourkela
Side-by-side air quality comparison between Hubli-Dharwad 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 | Hubli-Dharwad | Rourkela |
|---|---|---|
| PM2.5(µg/m³) | 5.50 | 107.60 |
| PM10(µg/m³) | 8.70 | 119.70 |
| NO₂(µg/m³) | 6.00 | 48.00 |
| SO₂(µg/m³) | 1.20 | 17.00 |
| O₃(µg/m³) | 36.00 | 26.00 |
| CO(µg/m³) | 114.00 | 365.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hubli-Dharwad averaged an AQI of 64 while Rourkela averaged 115 — a 51-point (80%) gap, with Rourkela the more polluted and Hubli-Dharwad the cleaner of the two. On 383 days when both cities reported, Hubli-Dharwad was cleaner on 351 of them; the average daily gap was 73 AQI points.
Seasonality & days
Hubli-Dharwad peaks in February, while Rourkela peaks in November. Hubli-Dharwad logged 0% Severe days and 74.1% Good-or-Satisfactory days; Rourkela was 0% Severe and 32.9% Good-or-Satisfactory. Longest clean-air streaks: Hubli-Dharwad 180 days, Rourkela 60 days.
Year-over-year progress
Hubli-Dharwad has improved by 18 AQI points (22%) from 2018 to 2024; Rourkela has improved by 112 AQI points (49.3%) over the same window. The worst recorded day for Hubli-Dharwad reached AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21; Rourkela hit AQI 344 at Raghunathpali (OSPCB) on 2024-01-01.
Station-level disparity
Hubli-Dharwad spans 2 CPCB stations with a 6-point spread (min 73, max 79); Rourkela spans 3 stations with a 29-point spread (min 106, max 135).
Verdict
🏆 Hubli-Dharwad has better air quality with an AQI of 9 compared to Rourkela's 259. That's a significant difference of 250 points.