Nagapattinam vs Puducherry
Side-by-side air quality comparison between Nagapattinam and Puducherry.
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 Puducherry averaged 55 — a 5-point (9%) gap, with Nagapattinam the more polluted and Puducherry the cleaner of the two. On 46 days when both cities reported, Nagapattinam was cleaner on 32 of them; the average daily gap was 15 AQI points.
Seasonality & days
Nagapattinam peaks in November, while Puducherry peaks in December. Nagapattinam logged 0% Severe days and 91.5% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Puducherry 117 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).