Sirohi vs Virudhunagar
Side-by-side air quality comparison between Sirohi 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 | Sirohi | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 19.30 | 5.30 |
| PM10(µg/m³) | 32.00 | 6.30 |
| NO₂(µg/m³) | 5.80 | 7.50 |
| SO₂(µg/m³) | 2.70 | 2.90 |
| O₃(µg/m³) | 52.00 | 34.00 |
| CO(µg/m³) | 143.00 | 128.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Sirohi averaged an AQI of 89 while Virudhunagar averaged 52 — a 37-point (71%) gap, with Sirohi the more polluted and Virudhunagar the cleaner of the two. On 178 days when both cities reported, Virudhunagar was cleaner on 156 of them; the average daily gap was 42 AQI points.
Seasonality & days
Sirohi peaks in December, while Virudhunagar peaks in November. Sirohi logged 0% Severe days and 69.2% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Sirohi 41 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Sirohi reached AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Sirohi spans 1 CPCB stations with a 0-point spread (min 90, max 90); 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 Sirohi's 32.