Imphal vs Nagapattinam
Side-by-side air quality comparison between Imphal 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, Imphal averaged an AQI of 110 while Nagapattinam averaged 60 — a 50-point (83%) gap, with Imphal the more polluted and Nagapattinam the cleaner of the two. On 32 days when both cities reported, Nagapattinam was cleaner on 29 of them; the average daily gap was 49 AQI points.
Seasonality & days
Imphal peaks in October, while Nagapattinam peaks in November. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).