Ariyalur vs Dhanbad
Side-by-side air quality comparison between Ariyalur 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, Ariyalur averaged an AQI of 46 while Dhanbad averaged 161 — a 115-point (250%) gap, with Dhanbad the more polluted and Ariyalur the cleaner of the two. On 178 days when both cities reported, Ariyalur was cleaner on 175 of them; the average daily gap was 118 AQI points.
Seasonality & days
Ariyalur peaks in March, while Dhanbad peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Dhanbad was 0.4% Severe and 3.1% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Dhanbad 2 days.
Year-over-year progress
The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Dhanbad hit AQI 436 at Kalakusuma (DMC) on 2024-04-28.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Dhanbad spans 2 stations with a 12-point spread (min 156, max 168).