Hubli-Dharwad vs Virudhunagar
Side-by-side air quality comparison between Hubli-Dharwad 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 | Hubli-Dharwad | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 5.30 | 5.30 |
| PM10(µg/m³) | 8.40 | 6.10 |
| NO₂(µg/m³) | 5.20 | 6.70 |
| SO₂(µg/m³) | 1.20 | 3.00 |
| O₃(µg/m³) | 39.00 | 35.00 |
| CO(µg/m³) | 117.00 | 129.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hubli-Dharwad averaged an AQI of 64 while Virudhunagar averaged 52 — a 12-point (23%) gap, with Hubli-Dharwad the more polluted and Virudhunagar the cleaner of the two. On 191 days when both cities reported, Virudhunagar was cleaner on 151 of them; the average daily gap was 25 AQI points.
Seasonality & days
Hubli-Dharwad peaks in February, while Virudhunagar peaks in November. Hubli-Dharwad logged 0% Severe days and 74.1% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Hubli-Dharwad 180 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Hubli-Dharwad reached AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Hubli-Dharwad spans 2 CPCB stations with a 6-point spread (min 73, max 79); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
Both Hubli-Dharwad and Virudhunagar have the same AQI of 9 right now.