Kannur vs Thiruvananthapuram
Side-by-side air quality comparison between Kannur and Thiruvananthapuram.
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 Thiruvananthapuram averaged 56 — a 9-point (16%) gap, with Kannur the more polluted and Thiruvananthapuram the cleaner of the two. On 1166 days when both cities reported, Kannur was cleaner on 599 of them; the average daily gap was 21 AQI points.
Seasonality & days
Kannur peaks in February, while Thiruvananthapuram peaks in January. Kannur logged 0% Severe days and 92% Good-or-Satisfactory days; Thiruvananthapuram was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Kannur 103 days, Thiruvananthapuram 172 days.
Year-over-year progress
Kannur has worsened by 11 AQI points (20.4%) from 2020 to 2024; Thiruvananthapuram has improved by 11 AQI points (16.4%) over the same window. The worst recorded day for Kannur reached AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14; Thiruvananthapuram hit AQI 387 at Plammoodu Thiruvananthapuram (PCB) on 2021-08-30.
Station-level disparity
Kannur spans 1 CPCB stations with a 0-point spread (min 66, max 66); Thiruvananthapuram spans 2 stations with a 7-point spread (min 57, max 64).