Kanchipuram vs Nagapattinam
Side-by-side air quality comparison between Kanchipuram 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, Kanchipuram averaged an AQI of 51 while Nagapattinam averaged 60 — a 9-point (18%) gap, with Nagapattinam the more polluted and Kanchipuram the cleaner of the two. On 27 days when both cities reported, Kanchipuram was cleaner on 21 of them; the average daily gap was 33 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Nagapattinam peaks in November. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).