Varanasi vs Virudhunagar
Side-by-side air quality comparison between Varanasi 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 | Varanasi | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 43.80 | 5.30 |
| PM10(µg/m³) | 52.90 | 6.10 |
| NO₂(µg/m³) | 28.20 | 6.70 |
| SO₂(µg/m³) | 36.90 | 3.00 |
| O₃(µg/m³) | 45.00 | 35.00 |
| CO(µg/m³) | 440.00 | 129.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Varanasi averaged an AQI of 56 while Virudhunagar averaged 52 — a 4-point (8%) gap, with Varanasi the more polluted and Virudhunagar the cleaner of the two. On 195 days when both cities reported, Virudhunagar was cleaner on 136 of them; the average daily gap was 40 AQI points.
Seasonality & days
Varanasi peaks in January, while Virudhunagar peaks in November. Varanasi logged 2.8% Severe days and 36% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Varanasi 87 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Varanasi reached AQI 500 at Ardhali Bazar (UPPCB) on 2017-07-11; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Varanasi spans 4 CPCB stations with a 94-point spread (min 71, max 165); 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 Varanasi's 74. That's a significant difference of 65 points.