Rourkela vs Thiruvananthapuram
Side-by-side air quality comparison between Rourkela and Thiruvananthapuram.
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 | Thiruvananthapuram |
|---|---|---|
| PM2.5(µg/m³) | 111.80 | 5.30 |
| PM10(µg/m³) | 123.90 | 9.50 |
| NO₂(µg/m³) | 35.70 | 1.50 |
| SO₂(µg/m³) | 23.90 | 0.40 |
| O₃(µg/m³) | 66.00 | 38.00 |
| CO(µg/m³) | 408.00 | 102.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rourkela averaged an AQI of 115 while Thiruvananthapuram averaged 56 — a 59-point (105%) gap, with Rourkela the more polluted and Thiruvananthapuram the cleaner of the two. On 394 days when both cities reported, Thiruvananthapuram was cleaner on 350 of them; the average daily gap was 75 AQI points.
Seasonality & days
Rourkela peaks in November, while Thiruvananthapuram peaks in January. Rourkela logged 0% Severe days and 32.9% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Rourkela 60 days, Thiruvananthapuram 172 days.
Year-over-year progress
Rourkela has improved by 112 AQI points (49.3%) from 2022 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Rourkela reached AQI 344 at Raghunathpali (OSPCB) on 2024-01-01; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Rourkela spans 3 CPCB stations with a 29-point spread (min 106, max 135); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).
Verdict
🏆 Thiruvananthapuram has better air quality with an AQI of 10 compared to Rourkela's 273. That's a significant difference of 263 points.