Koppal vs Virudhunagar
Side-by-side air quality comparison between Koppal 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 | Koppal | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 5.70 | 5.30 |
| PM10(µg/m³) | 8.70 | 6.30 |
| NO₂(µg/m³) | 7.50 | 7.50 |
| SO₂(µg/m³) | 1.30 | 2.90 |
| O₃(µg/m³) | 35.00 | 34.00 |
| CO(µg/m³) | 145.00 | 128.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Koppal averaged an AQI of 65 while Virudhunagar averaged 52 — a 13-point (25%) gap, with Koppal the more polluted and Virudhunagar the cleaner of the two. On 170 days when both cities reported, Virudhunagar was cleaner on 119 of them; the average daily gap was 30 AQI points.
Seasonality & days
Koppal peaks in February, while Virudhunagar peaks in November. Koppal logged 0% Severe days and 85.5% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Koppal 47 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Koppal reached AQI 384 at Diwator Nagar (KSPCB) on 2023-02-16; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Koppal spans 1 CPCB stations with a 0-point spread (min 70, max 70); 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 Koppal's 10.