Coimbatore vs Dhanbad
Side-by-side air quality comparison between Coimbatore 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Coimbatore averaged an AQI of 66 while Dhanbad averaged 161 — a 95-point (144%) gap, with Dhanbad the more polluted and Coimbatore the cleaner of the two. On 168 days when both cities reported, Coimbatore was cleaner on 161 of them; the average daily gap was 98 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Coimbatore logged 0% Severe days and 90.5% Good-or-Satisfactory days; Dhanbad was 0.4% Severe and 3.1% Good-or-Satisfactory. Longest clean-air streaks: Coimbatore 32 days, Dhanbad 2 days.
Year-over-year progress
The worst recorded day for Coimbatore reached AQI 279 at SIDCO Kurichi (TNPCB) on 2024-09-28; Dhanbad hit AQI 436 at Kalakusuma (DMC) on 2024-04-28.
Station-level disparity
Coimbatore spans 2 CPCB stations with a 1-point spread (min 63, max 64); Dhanbad spans 2 stations with a 12-point spread (min 156, max 168).