Hassan vs Virudhunagar
Side-by-side air quality comparison between Hassan 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 | Hassan | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 2.80 | 5.30 |
| PM10(µg/m³) | 4.30 | 6.10 |
| NO₂(µg/m³) | 3.60 | 6.70 |
| SO₂(µg/m³) | 0.70 | 3.00 |
| O₃(µg/m³) | 40.00 | 35.00 |
| CO(µg/m³) | 121.00 | 129.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hassan averaged an AQI of 60 while Virudhunagar averaged 52 — a 8-point (15%) gap, with Hassan the more polluted and Virudhunagar the cleaner of the two. On 145 days when both cities reported, Virudhunagar was cleaner on 105 of them; the average daily gap was 22 AQI points.
Seasonality & days
Hassan peaks in March, while Virudhunagar peaks in November. Hassan logged 0% Severe days and 92.5% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Hassan 51 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Hassan reached AQI 212 at BKatihalli (KSPCB) on 2024-05-11; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Hassan spans 1 CPCB stations with a 0-point spread (min 63, max 63); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Hassan has better air quality with an AQI of 5 compared to Virudhunagar's 9.