Arrah vs Dhanbad
Side-by-side air quality comparison between Arrah 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 | Arrah | Dhanbad |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 92.20 |
| PM10(µg/m³) | 115.50 | 100.10 |
| NO₂(µg/m³) | 53.70 | 60.10 |
| SO₂(µg/m³) | 13.70 | 187.20 |
| O₃(µg/m³) | 10.00 | 36.00 |
| CO(µg/m³) | 944.00 | 755.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Dhanbad averaged 161 — a 38-point (31%) gap, with Dhanbad the more polluted and Arrah the cleaner of the two. On 162 days when both cities reported, Arrah was cleaner on 121 of them; the average daily gap was 88 AQI points.
Seasonality & days
Arrah peaks in January, while Dhanbad peaks in November. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Dhanbad was 0.4% Severe and 3.1% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Dhanbad 2 days.
Year-over-year progress
The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Dhanbad hit AQI 436 at Kalakusuma (DMC) on 2024-04-28.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Dhanbad spans 2 stations with a 12-point spread (min 156, max 168).
Verdict
🏆 Dhanbad has better air quality with an AQI of 208 compared to Arrah's 231.