Tirupati vs Virudhunagar
Side-by-side air quality comparison between Tirupati and Virudhunagar.
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 | Tirupati | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 10.70 | 5.30 |
| PM10(µg/m³) | 11.80 | 6.30 |
| NO₂(µg/m³) | 11.20 | 7.50 |
| SO₂(µg/m³) | 2.50 | 2.90 |
| O₃(µg/m³) | 53.00 | 34.00 |
| CO(µg/m³) | 159.00 | 128.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Tirupati averaged an AQI of 75 while Virudhunagar averaged 52 — a 23-point (44%) gap, with Tirupati the more polluted and Virudhunagar the cleaner of the two. On 118 days when both cities reported, Virudhunagar was cleaner on 81 of them; the average daily gap was 40 AQI points.
Seasonality & days
Tirupati peaks in April, while Virudhunagar peaks in November. Tirupati logged 0% Severe days and 84% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Tirupati 36 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Tirupati reached AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Tirupati spans 1 CPCB stations with a 0-point spread (min 75, max 75); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Virudhunagar has better air quality with an AQI of 9 compared to Tirupati's 18.