Chapra vs Dhanbad
Side-by-side air quality comparison between Chapra 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 | Chapra | 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) | 858.00 | 755.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Dhanbad averaged 161 — a 12-point (8%) gap, with Dhanbad the more polluted and Chapra the cleaner of the two. On 181 days when both cities reported, Chapra was cleaner on 94 of them; the average daily gap was 86 AQI points.
Seasonality & days
Chapra peaks in January, while Dhanbad peaks in November. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Dhanbad was 0.4% Severe and 3.1% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Dhanbad 2 days.
Year-over-year progress
The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Dhanbad hit AQI 436 at Kalakusuma (DMC) on 2024-04-28.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); 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 Chapra's 231.