Dhanbad vs Perundurai
Side-by-side air quality comparison between Dhanbad and Perundurai.
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 Perundurai averaged 75 — a 86-point (115%) gap, with Dhanbad the more polluted and Perundurai the cleaner of the two. On 30 days when both cities reported, Perundurai was cleaner on 30 of them; the average daily gap was 126 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Dhanbad logged 0.4% Severe days and 3.1% Good-or-Satisfactory days; Perundurai was 0% Severe and 80.7% Good-or-Satisfactory. Longest clean-air streaks: Dhanbad 2 days, Perundurai 13 days.
Year-over-year progress
The worst recorded day for Dhanbad reached AQI 436 at Kalakusuma (DMC) on 2024-04-28; Perundurai hit AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12.
Station-level disparity
Dhanbad spans 2 CPCB stations with a 12-point spread (min 156, max 168); Perundurai spans 1 stations with a 0-point spread (min 75, max 75).