Hubli-Dharwad vs Madurai
Side-by-side air quality comparison between Hubli-Dharwad and Madurai.
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 | Madurai |
|---|---|---|
| PM2.5(µg/m³) | 5.30 | 15.50 |
| PM10(µg/m³) | 8.40 | 16.70 |
| NO₂(µg/m³) | 5.20 | 19.40 |
| SO₂(µg/m³) | 1.20 | 4.80 |
| O₃(µg/m³) | 39.00 | 20.00 |
| CO(µg/m³) | 117.00 | 212.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hubli-Dharwad averaged an AQI of 64 while Madurai averaged 48 — a 16-point (33%) gap, with Hubli-Dharwad the more polluted and Madurai the cleaner of the two. On 75 days when both cities reported, Madurai was cleaner on 61 of them; the average daily gap was 42 AQI points.
Seasonality & days
Hubli-Dharwad peaks in February, while Madurai peaks in December. Hubli-Dharwad logged 0% Severe days and 74.1% Good-or-Satisfactory days; Madurai was 0% Severe and 98.7% Good-or-Satisfactory. Longest clean-air streaks: Hubli-Dharwad 180 days, Madurai 17 days.
Year-over-year progress
The worst recorded day for Hubli-Dharwad reached AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21; Madurai hit AQI 105 at Uchapatti (TNPCB) on 2024-11-26.
Station-level disparity
Hubli-Dharwad spans 2 CPCB stations with a 6-point spread (min 73, max 79); Madurai spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Hubli-Dharwad has better air quality with an AQI of 9 compared to Madurai's 26.