Dhanbad vs Patna
Side-by-side air quality comparison between Dhanbad and Patna.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dhanbad averaged an AQI of 161 while Patna averaged 172 — a 11-point (7%) gap, with Patna the more polluted and Dhanbad the cleaner of the two. On 226 days when both cities reported, Dhanbad was cleaner on 170 of them; the average daily gap was 115 AQI points.
Seasonality & days
Dhanbad peaks in November, while Patna peaks in December. Dhanbad logged 0.4% Severe days and 3.1% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Dhanbad 2 days, Patna 30 days.
Year-over-year progress
The worst recorded day for Dhanbad reached AQI 436 at Kalakusuma (DMC) on 2024-04-28; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Dhanbad spans 2 CPCB stations with a 12-point spread (min 156, max 168); Patna spans 6 stations with a 39-point spread (min 154, max 193).