Dehradun vs Hubli-Dharwad
Side-by-side air quality comparison between Dehradun 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 | Dehradun | Hubli-Dharwad |
|---|---|---|
| PM2.5(µg/m³) | 14.40 | 5.30 |
| PM10(µg/m³) | 14.60 | 8.40 |
| NO₂(µg/m³) | 25.40 | 5.20 |
| SO₂(µg/m³) | 4.10 | 1.20 |
| O₃(µg/m³) | 71.00 | 39.00 |
| CO(µg/m³) | 350.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dehradun averaged an AQI of 106 while Hubli-Dharwad averaged 64 — a 42-point (66%) gap, with Dehradun the more polluted and Hubli-Dharwad the cleaner of the two. On 758 days when both cities reported, Hubli-Dharwad was cleaner on 428 of them; the average daily gap was 47 AQI points.
Seasonality & days
Dehradun peaks in January, while Hubli-Dharwad peaks in February. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Hubli-Dharwad was 0% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Hubli-Dharwad 180 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Hubli-Dharwad has improved by 18 AQI points (22%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Hubli-Dharwad hit AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); 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 Dehradun's 24.