Asansol vs Nagapattinam
Side-by-side air quality comparison between Asansol 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, Asansol averaged an AQI of 145 while Nagapattinam averaged 60 — a 85-point (142%) gap, with Asansol the more polluted and Nagapattinam the cleaner of the two. On 47 days when both cities reported, Nagapattinam was cleaner on 46 of them; the average daily gap was 186 AQI points.
Seasonality & days
Asansol peaks in December, while Nagapattinam peaks in November. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).