Rourkela vs Tirupati
Side-by-side air quality comparison between Rourkela and Tirupati.
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 | Tirupati |
|---|---|---|
| PM2.5(µg/m³) | 111.80 | 8.70 |
| PM10(µg/m³) | 123.90 | 10.00 |
| NO₂(µg/m³) | 35.70 | 8.40 |
| SO₂(µg/m³) | 23.90 | 2.40 |
| O₃(µg/m³) | 66.00 | 58.00 |
| CO(µg/m³) | 408.00 | 153.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rourkela averaged an AQI of 115 while Tirupati averaged 75 — a 40-point (53%) gap, with Rourkela the more polluted and Tirupati the cleaner of the two. On 244 days when both cities reported, Tirupati was cleaner on 203 of them; the average daily gap was 88 AQI points.
Seasonality & days
Rourkela peaks in November, while Tirupati peaks in April. Rourkela logged 0% Severe days and 32.9% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Rourkela 60 days, Tirupati 36 days.
Year-over-year progress
Rourkela has improved by 112 AQI points (49.3%) from 2022 to 2024; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Rourkela reached AQI 344 at Raghunathpali (OSPCB) on 2024-01-01; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Rourkela spans 3 CPCB stations with a 29-point spread (min 106, max 135); Tirupati spans 1 stations with a 0-point spread (min 75, max 75).
Verdict
🏆 Tirupati has better air quality with an AQI of 15 compared to Rourkela's 273. That's a significant difference of 258 points.