Dewās vs Dhanbad
Side-by-side air quality comparison between Dewās 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 | Dewās | Dhanbad |
|---|---|---|
| PM2.5(µg/m³) | 31.30 | 89.90 |
| PM10(µg/m³) | 47.80 | 96.90 |
| NO₂(µg/m³) | 7.10 | 54.10 |
| SO₂(µg/m³) | 15.10 | 171.70 |
| O₃(µg/m³) | 66.00 | 60.00 |
| CO(µg/m³) | 208.00 | 495.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dewās averaged an AQI of 98 while Dhanbad averaged 161 — a 63-point (64%) gap, with Dhanbad the more polluted and Dewās the cleaner of the two. On 204 days when both cities reported, Dewās was cleaner on 183 of them; the average daily gap was 83 AQI points.
Seasonality & days
Dewās peaks in December, while Dhanbad peaks in November. Dewās logged 0% Severe days and 47.7% Good-or-Satisfactory days; Dhanbad was 0.4% Severe and 3.1% Good-or-Satisfactory. Longest clean-air streaks: Dewās 101 days, Dhanbad 2 days.
Year-over-year progress
The worst recorded day for Dewās reached AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01; Dhanbad hit AQI 436 at Kalakusuma (DMC) on 2024-04-28.
Station-level disparity
Dewās spans 1 CPCB stations with a 0-point spread (min 106, max 106); Dhanbad spans 2 stations with a 12-point spread (min 156, max 168).
Verdict
🏆 Dewās has better air quality with an AQI of 53 compared to Dhanbad's 200. That's a significant difference of 147 points.