Rourkela vs Sagar
Side-by-side air quality comparison between Rourkela and Sagar.
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 | Sagar |
|---|---|---|
| PM2.5(µg/m³) | 111.80 | 24.90 |
| PM10(µg/m³) | 123.90 | 41.00 |
| NO₂(µg/m³) | 35.70 | 11.80 |
| SO₂(µg/m³) | 23.90 | 4.10 |
| O₃(µg/m³) | 66.00 | 61.00 |
| CO(µg/m³) | 408.00 | 211.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rourkela averaged an AQI of 115 while Sagar averaged 96 — a 19-point (20%) gap, with Rourkela the more polluted and Sagar the cleaner of the two. On 395 days when both cities reported, Sagar was cleaner on 259 of them; the average daily gap was 54 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Rourkela logged 0% Severe days and 32.9% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Rourkela 60 days, Sagar 57 days.
Year-over-year progress
Rourkela has improved by 112 AQI points (49.3%) from 2022 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Rourkela reached AQI 344 at Raghunathpali (OSPCB) on 2024-01-01; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Rourkela spans 3 CPCB stations with a 29-point spread (min 106, max 135); Sagar spans 2 stations with a 45-point spread (min 73, max 118).
Verdict
🏆 Sagar has better air quality with an AQI of 42 compared to Rourkela's 273. That's a significant difference of 231 points.