Rourkela vs Ujjain
Side-by-side air quality comparison between Rourkela and Ujjain.
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 | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 107.60 | 32.40 |
| PM10(µg/m³) | 119.70 | 47.70 |
| NO₂(µg/m³) | 48.00 | 6.80 |
| SO₂(µg/m³) | 17.00 | 13.70 |
| O₃(µg/m³) | 26.00 | 66.00 |
| CO(µg/m³) | 365.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rourkela averaged an AQI of 115 while Ujjain averaged 116 — a 1-point (1%) gap, with Ujjain the more polluted and Rourkela the cleaner of the two. On 361 days when both cities reported, Ujjain was cleaner on 227 of them; the average daily gap was 49 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; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Rourkela 60 days, Ujjain 67 days.
Year-over-year progress
Rourkela has improved by 112 AQI points (49.3%) from 2022 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Rourkela reached AQI 344 at Raghunathpali (OSPCB) on 2024-01-01; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Rourkela spans 3 CPCB stations with a 29-point spread (min 106, max 135); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Ujjain has better air quality with an AQI of 55 compared to Rourkela's 259. That's a significant difference of 204 points.