Cuddalore vs Karur
Side-by-side air quality comparison between Cuddalore and Karur.
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, Cuddalore averaged an AQI of 52 while Karur averaged 71 — a 19-point (37%) gap, with Karur the more polluted and Cuddalore the cleaner of the two. On 53 days when both cities reported, Karur was cleaner on 27 of them; the average daily gap was 32 AQI points.
Seasonality & days
Cuddalore peaks in January, while Karur peaks in December. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Karur was 0% Severe and 80.3% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Karur 34 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Karur hit AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Karur spans 1 stations with a 0-point spread (min 71, max 71).