Chandigarh vs Dhanbad
Side-by-side air quality comparison between Chandigarh and Dhanbad.
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 | Dhanbad |
|---|---|---|
| PM2.5(µg/m³) | 50.90 | 92.20 |
| PM10(µg/m³) | 66.80 | 100.10 |
| NO₂(µg/m³) | 44.60 | 60.10 |
| SO₂(µg/m³) | 8.10 | 187.20 |
| O₃(µg/m³) | 11.00 | 36.00 |
| CO(µg/m³) | 714.00 | 755.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Dhanbad averaged 161 — a 8-point (5%) gap, with Dhanbad the more polluted and Chandigarh the cleaner of the two. On 226 days when both cities reported, Chandigarh was cleaner on 118 of them; the average daily gap was 77 AQI points.
Seasonality & days
Chandigarh peaks in January, while Dhanbad peaks in November. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Dhanbad was 0.4% Severe and 3.1% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Dhanbad 2 days.
Year-over-year progress
The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Dhanbad hit AQI 436 at Kalakusuma (DMC) on 2024-04-28.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Dhanbad spans 2 stations with a 12-point spread (min 156, max 168).
Verdict
🏆 Chandigarh has better air quality with an AQI of 85 compared to Dhanbad's 208. That's a significant difference of 123 points.