Nagapattinam vs Tālcher
Side-by-side air quality comparison between Nagapattinam and Tālcher.
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, Nagapattinam averaged an AQI of 60 while Tālcher averaged 127 — a 67-point (112%) gap, with Tālcher the more polluted and Nagapattinam the cleaner of the two.
Seasonality & days
Nagapattinam peaks in November, while Tālcher peaks in December. Nagapattinam logged 0% Severe days and 91.5% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Tālcher 44 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).