Ludhiana vs Rourkela
Side-by-side air quality comparison between Ludhiana 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 | Ludhiana | Rourkela |
|---|---|---|
| PM2.5(µg/m³) | 71.50 | 111.80 |
| PM10(µg/m³) | 100.40 | 123.90 |
| NO₂(µg/m³) | 31.30 | 35.70 |
| SO₂(µg/m³) | 17.00 | 23.90 |
| O₃(µg/m³) | 62.00 | 66.00 |
| CO(µg/m³) | 748.00 | 408.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2021, Ludhiana averaged an AQI of 117 while Rourkela averaged 115 — a 2-point (2%) gap, with Ludhiana the more polluted and Rourkela the cleaner of the two.
Seasonality & days
Both cities see their worst air in November on average. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Rourkela was 0% Severe and 32.9% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Rourkela 60 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Rourkela has improved by 112 AQI points (49.3%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Rourkela hit AQI 344 at Raghunathpali (OSPCB) on 2024-01-01.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Rourkela spans 3 stations with a 29-point spread (min 106, max 135).
Verdict
🏆 Ludhiana has better air quality with an AQI of 139 compared to Rourkela's 273. That's a significant difference of 134 points.