Silchar vs Virudhunagar
Side-by-side air quality comparison between Silchar 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 | Silchar | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 53.00 | 5.30 |
| PM10(µg/m³) | 63.80 | 6.10 |
| NO₂(µg/m³) | 13.90 | 6.70 |
| SO₂(µg/m³) | 7.50 | 3.00 |
| O₃(µg/m³) | 95.00 | 35.00 |
| CO(µg/m³) | 276.00 | 129.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Silchar averaged an AQI of 52 while Virudhunagar averaged 52 — a 0-point (0%) gap, with Virudhunagar the more polluted and Silchar the cleaner of the two. On 190 days when both cities reported, Virudhunagar was cleaner on 112 of them; the average daily gap was 23 AQI points.
Seasonality & days
Silchar peaks in February, while Virudhunagar peaks in November. Silchar logged 0% Severe days and 100% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Silchar 87 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Silchar reached AQI 89 at Tarapur (PCBA) on 2023-04-29; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Silchar spans 1 CPCB stations with a 0-point spread (min 47, max 47); 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 Silchar's 89. That's a significant difference of 80 points.