Kolār vs Nagapattinam
Side-by-side air quality comparison between Kolār 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, Kolār averaged an AQI of 65 while Nagapattinam averaged 60 — a 5-point (8%) gap, with Kolār the more polluted and Nagapattinam the cleaner of the two. On 31 days when both cities reported, Nagapattinam was cleaner on 19 of them; the average daily gap was 20 AQI points.
Seasonality & days
Kolār peaks in September, while Nagapattinam peaks in November. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Nagapattinam was 0% Severe and 91.5% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Nagapattinam 8 days.
Year-over-year progress
The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Nagapattinam hit AQI 113 at Velippalayam (TNPCB) on 2024-12-16.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Nagapattinam spans 1 stations with a 0-point spread (min 60, max 60).