Asansol vs Dhanbad
Side-by-side air quality comparison between Asansol 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 | Asansol | Dhanbad |
|---|---|---|
| PM2.5(µg/m³) | 91.00 | 89.90 |
| PM10(µg/m³) | 96.20 | 96.90 |
| NO₂(µg/m³) | 48.00 | 54.10 |
| SO₂(µg/m³) | 91.90 | 171.70 |
| O₃(µg/m³) | 58.00 | 60.00 |
| CO(µg/m³) | 838.00 | 495.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Asansol averaged an AQI of 145 while Dhanbad averaged 161 — a 16-point (11%) gap, with Dhanbad the more polluted and Asansol the cleaner of the two. On 226 days when both cities reported, Dhanbad was cleaner on 116 of them; the average daily gap was 74 AQI points.
Seasonality & days
Asansol peaks in December, while Dhanbad peaks in November. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Dhanbad was 0.4% Severe and 3.1% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Dhanbad 2 days.
Year-over-year progress
The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Dhanbad hit AQI 436 at Kalakusuma (DMC) on 2024-04-28.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Dhanbad spans 2 stations with a 12-point spread (min 156, max 168).
Verdict
🏆 Dhanbad has better air quality with an AQI of 200 compared to Asansol's 204.