Darbhanga vs Hubli-Dharwad
Side-by-side air quality comparison between Darbhanga and Hubli-Dharwad.
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 | Darbhanga | Hubli-Dharwad |
|---|---|---|
| PM2.5(µg/m³) | 111.50 | 5.30 |
| PM10(µg/m³) | 122.90 | 8.40 |
| NO₂(µg/m³) | 42.70 | 5.20 |
| SO₂(µg/m³) | 18.40 | 1.20 |
| O₃(µg/m³) | 61.00 | 39.00 |
| CO(µg/m³) | 767.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Hubli-Dharwad averaged 64 — a 301-point (470%) gap, with Darbhanga the more polluted and Hubli-Dharwad the cleaner of the two. On 369 days when both cities reported, Hubli-Dharwad was cleaner on 330 of them; the average daily gap was 129 AQI points.
Seasonality & days
Darbhanga peaks in December, while Hubli-Dharwad peaks in February. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Hubli-Dharwad was 0% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Hubli-Dharwad 180 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Hubli-Dharwad has improved by 18 AQI points (22%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Hubli-Dharwad hit AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Hubli-Dharwad spans 2 stations with a 6-point spread (min 73, max 79).
Verdict
🏆 Hubli-Dharwad has better air quality with an AQI of 9 compared to Darbhanga's 272. That's a significant difference of 263 points.