Rourkela vs Sikar
Side-by-side air quality comparison between Rourkela and Sikar.
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 | Rourkela | Sikar |
|---|---|---|
| PM2.5(µg/m³) | 107.60 | 31.40 |
| PM10(µg/m³) | 119.70 | 82.70 |
| NO₂(µg/m³) | 48.00 | 10.10 |
| SO₂(µg/m³) | 17.00 | 5.50 |
| O₃(µg/m³) | 26.00 | 72.00 |
| CO(µg/m³) | 365.00 | 157.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rourkela averaged an AQI of 115 while Sikar averaged 139 — a 24-point (21%) gap, with Sikar the more polluted and Rourkela the cleaner of the two. On 349 days when both cities reported, Sikar was cleaner on 178 of them; the average daily gap was 46 AQI points.
Seasonality & days
Rourkela peaks in November, while Sikar peaks in January. Rourkela logged 0% Severe days and 32.9% Good-or-Satisfactory days; Sikar was 0.2% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Rourkela 60 days, Sikar 32 days.
Year-over-year progress
Rourkela has improved by 112 AQI points (49.3%) from 2022 to 2024; Sikar has worsened by 4 AQI points (3%) over the same window. The worst recorded day for Rourkela reached AQI 344 at Raghunathpali (OSPCB) on 2024-01-01; Sikar hit AQI 452 at Radhakishan Pura (RSPCB) on 2023-11-16.
Station-level disparity
Rourkela spans 3 CPCB stations with a 29-point spread (min 106, max 135); Sikar spans 1 stations with a 0-point spread (min 137, max 137).
Verdict
🏆 Sikar has better air quality with an AQI of 83 compared to Rourkela's 259. That's a significant difference of 176 points.