Rourkela vs Sasaram
Side-by-side air quality comparison between Rourkela and Sasaram.
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 | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 111.80 | 69.80 |
| PM10(µg/m³) | 123.90 | 80.30 |
| NO₂(µg/m³) | 35.70 | 15.10 |
| SO₂(µg/m³) | 23.90 | 14.40 |
| O₃(µg/m³) | 66.00 | 101.00 |
| CO(µg/m³) | 408.00 | 627.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rourkela averaged an AQI of 115 while Sasaram averaged 109 — a 6-point (6%) gap, with Rourkela the more polluted and Sasaram the cleaner of the two. On 354 days when both cities reported, Sasaram was cleaner on 245 of them; the average daily gap was 56 AQI points.
Seasonality & days
Rourkela peaks in November, while Sasaram peaks in January. Rourkela logged 0% Severe days and 32.9% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Rourkela 60 days, Sasaram 27 days.
Year-over-year progress
Rourkela has improved by 112 AQI points (49.3%) from 2022 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Rourkela reached AQI 344 at Raghunathpali (OSPCB) on 2024-01-01; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Rourkela spans 3 CPCB stations with a 29-point spread (min 106, max 135); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Sasaram has better air quality with an AQI of 133 compared to Rourkela's 273. That's a significant difference of 140 points.