Alwar vs Rourkela
Side-by-side air quality comparison between Alwar 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 | Alwar | Rourkela |
|---|---|---|
| PM2.5(µg/m³) | 58.40 | 107.60 |
| PM10(µg/m³) | 169.00 | 119.70 |
| NO₂(µg/m³) | 17.10 | 48.00 |
| SO₂(µg/m³) | 7.70 | 17.00 |
| O₃(µg/m³) | 58.00 | 26.00 |
| CO(µg/m³) | 391.00 | 365.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Rourkela averaged 115 — a 27-point (31%) gap, with Rourkela the more polluted and Alwar the cleaner of the two. On 390 days when both cities reported, Alwar was cleaner on 314 of them; the average daily gap was 63 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Rourkela was 0% Severe and 32.9% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Rourkela 60 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Rourkela has improved by 112 AQI points (49.3%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Rourkela hit AQI 344 at Raghunathpali (OSPCB) on 2024-01-01.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Rourkela spans 3 stations with a 29-point spread (min 106, max 135).
Verdict
🏆 Alwar has better air quality with an AQI of 147 compared to Rourkela's 259. That's a significant difference of 112 points.