Kannur vs Ramanathapuram
Side-by-side air quality comparison between Kannur and Ramanathapuram.
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 Ramanathapuram averaged 42 — a 23-point (55%) gap, with Kannur the more polluted and Ramanathapuram the cleaner of the two. On 505 days when both cities reported, Ramanathapuram was cleaner on 389 of them; the average daily gap was 31 AQI points.
Seasonality & days
Kannur peaks in February, while Ramanathapuram peaks in January. Kannur logged 0% Severe days and 92% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Kannur 103 days, Ramanathapuram 46 days.
Year-over-year progress
Kannur has worsened by 11 AQI points (20.4%) from 2020 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Kannur reached AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Kannur spans 1 CPCB stations with a 0-point spread (min 66, max 66); Ramanathapuram spans 1 stations with a 0-point spread (min 48, max 48).