Imphal vs Rourkela
Side-by-side air quality comparison between Imphal 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 | Imphal | Rourkela |
|---|---|---|
| PM2.5(µg/m³) | 36.40 | 111.80 |
| PM10(µg/m³) | 44.50 | 123.90 |
| NO₂(µg/m³) | 7.20 | 35.70 |
| SO₂(µg/m³) | 2.20 | 23.90 |
| O₃(µg/m³) | 60.00 | 66.00 |
| CO(µg/m³) | 323.00 | 408.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Rourkela averaged 115 — a 5-point (5%) gap, with Rourkela the more polluted and Imphal the cleaner of the two. On 328 days when both cities reported, Imphal was cleaner on 203 of them; the average daily gap was 68 AQI points.
Seasonality & days
Imphal peaks in October, while Rourkela peaks in November. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Rourkela was 0% Severe and 32.9% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Rourkela 60 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Rourkela has improved by 112 AQI points (49.3%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Rourkela hit AQI 344 at Raghunathpali (OSPCB) on 2024-01-01.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Rourkela spans 3 stations with a 29-point spread (min 106, max 135).
Verdict
🏆 Imphal has better air quality with an AQI of 61 compared to Rourkela's 273. That's a significant difference of 212 points.