Katni vs Nagapattinam
Side-by-side air quality comparison between Katni 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, Katni averaged an AQI of 105 while Nagapattinam averaged 60 — a 45-point (75%) gap, with Katni 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 84 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Katni logged 0% Severe days and 39.3% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Katni 62 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Katni reached AQI 350 at Gole Bazar (MPPCB) on 2019-11-01; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Katni spans 1 CPCB stations with a 0-point spread (min 137, max 137); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).