Dhanbad vs Nagapattinam
Side-by-side air quality comparison between Dhanbad and Nagapattinam.
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 Nagapattinam averaged 60 — a 101-point (168%) gap, with Dhanbad the more polluted and Nagapattinam the cleaner of the two. On 17 days when both cities reported, Nagapattinam was cleaner on 17 of them; the average daily gap was 102 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; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Dhanbad 2 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Dhanbad reached AQI 436 at Kalakusuma (DMC) on 2024-04-28; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Dhanbad spans 2 CPCB stations with a 12-point spread (min 156, max 168); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).