Ahmedabad vs Dhanbad
Side-by-side air quality comparison between Ahmedabad 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 | Ahmedabad | Dhanbad |
|---|---|---|
| PM2.5(µg/m³) | 22.60 | 92.20 |
| PM10(µg/m³) | 36.90 | 100.10 |
| NO₂(µg/m³) | 7.00 | 60.10 |
| SO₂(µg/m³) | 4.70 | 187.20 |
| O₃(µg/m³) | 40.00 | 36.00 |
| CO(µg/m³) | 159.00 | 755.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmedabad averaged an AQI of 117 while Dhanbad averaged 161 — a 44-point (38%) gap, with Dhanbad the more polluted and Ahmedabad the cleaner of the two. On 226 days when both cities reported, Dhanbad was cleaner on 132 of them; the average daily gap was 65 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Ahmedabad logged 0.1% Severe days and 23.7% Good-or-Satisfactory days; Dhanbad was 0.4% Severe and 3.1% Good-or-Satisfactory. Longest clean-air streaks: Ahmedabad 25 days, Dhanbad 2 days.
Year-over-year progress
The worst recorded day for Ahmedabad reached AQI 430 at Raikhad (IITM) on 2023-03-17; Dhanbad hit AQI 436 at Kalakusuma (DMC) on 2024-04-28.
Station-level disparity
Ahmedabad spans 9 CPCB stations with a 44-point spread (min 95, max 139); Dhanbad spans 2 stations with a 12-point spread (min 156, max 168).
Verdict
🏆 Ahmedabad has better air quality with an AQI of 38 compared to Dhanbad's 208. That's a significant difference of 170 points.