Rourkela vs Tiruchirappalli
Side-by-side air quality comparison between Rourkela and Tiruchirappalli.
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 | Tiruchirappalli |
|---|---|---|
| PM2.5(µg/m³) | 36.80 | 3.70 |
| PM10(µg/m³) | 51.50 | 4.40 |
| NO₂(µg/m³) | 1.40 | 1.10 |
| SO₂(µg/m³) | 15.10 | 1.90 |
| O₃(µg/m³) | 200.00 | 90.00 |
| CO(µg/m³) | 257.00 | 116.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rourkela averaged an AQI of 115 while Tiruchirappalli averaged 50 — a 65-point (130%) gap, with Rourkela the more polluted and Tiruchirappalli the cleaner of the two. On 81 days when both cities reported, Tiruchirappalli was cleaner on 79 of them; the average daily gap was 112 AQI points.
Seasonality & days
Rourkela peaks in November, while Tiruchirappalli peaks in January. Rourkela logged 0% Severe days and 32.9% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Rourkela 60 days, Tiruchirappalli 46 days.
Year-over-year progress
Rourkela has improved by 112 AQI points (49.3%) from 2022 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Rourkela reached AQI 344 at Raghunathpali (OSPCB) on 2024-01-01; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Rourkela spans 3 CPCB stations with a 29-point spread (min 106, max 135); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Tiruchirappalli has better air quality with an AQI of 6 compared to Rourkela's 62. That's a significant difference of 56 points.