Kannur vs Karur
Side-by-side air quality comparison between Kannur 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, Kannur averaged an AQI of 65 while Karur averaged 71 — a 6-point (9%) gap, with Karur the more polluted and Kannur the cleaner of the two. On 26 days when both cities reported, Kannur was cleaner on 25 of them; the average daily gap was 42 AQI points.
Seasonality & days
Kannur peaks in February, while Karur peaks in December. Kannur logged 0% Severe days and 92% Good-or-Satisfactory days; Karur was 0% Severe and 80.3% Good-or-Satisfactory. Longest clean-air streaks: Kannur 103 days, Karur 34 days.
Year-over-year progress
The worst recorded day for Kannur reached AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14; Karur hit AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26.
Station-level disparity
Kannur spans 1 CPCB stations with a 0-point spread (min 66, max 66); Karur spans 1 stations with a 0-point spread (min 71, max 71).