Chandigarh vs Hubli-Dharwad
Side-by-side air quality comparison between Chandigarh 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 | Chandigarh | Hubli-Dharwad |
|---|---|---|
| PM2.5(µg/m³) | 46.30 | 5.30 |
| PM10(µg/m³) | 63.60 | 8.40 |
| NO₂(µg/m³) | 30.10 | 5.20 |
| SO₂(µg/m³) | 10.30 | 1.20 |
| O₃(µg/m³) | 64.00 | 39.00 |
| CO(µg/m³) | 602.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Hubli-Dharwad averaged 64 — a 89-point (139%) gap, with Chandigarh the more polluted and Hubli-Dharwad the cleaner of the two. On 1746 days when both cities reported, Hubli-Dharwad was cleaner on 1425 of them; the average daily gap was 73 AQI points.
Seasonality & days
Chandigarh peaks in January, while Hubli-Dharwad peaks in February. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Hubli-Dharwad was 0% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Hubli-Dharwad 180 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Hubli-Dharwad has improved by 18 AQI points (22%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Hubli-Dharwad hit AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); 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 Chandigarh's 78. That's a significant difference of 69 points.