Kannur vs Visakhapatnam
Side-by-side air quality comparison between Kannur and Visakhapatnam.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Kannur | Visakhapatnam |
|---|---|---|
| PM2.5(µg/m³) | 5.70 | 32.20 |
| PM10(µg/m³) | 11.30 | 37.10 |
| NO₂(µg/m³) | 3.30 | 24.00 |
| SO₂(µg/m³) | 1.10 | 44.60 |
| O₃(µg/m³) | 51.00 | 84.00 |
| CO(µg/m³) | 153.00 | 514.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kannur averaged an AQI of 65 while Visakhapatnam averaged 110 — a 45-point (69%) gap, with Visakhapatnam the more polluted and Kannur the cleaner of the two. On 1332 days when both cities reported, Kannur was cleaner on 1121 of them; the average daily gap was 53 AQI points.
Seasonality & days
Kannur peaks in February, while Visakhapatnam peaks in January. Kannur logged 0% Severe days and 92% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Kannur 103 days, Visakhapatnam 27 days.
Year-over-year progress
Kannur has worsened by 11 AQI points (20.4%) from 2020 to 2024; Visakhapatnam has worsened by 15 AQI points (15.8%) over the same window. The worst recorded day for Kannur reached AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Kannur spans 1 CPCB stations with a 0-point spread (min 66, max 66); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Kannur has better air quality with an AQI of 11 compared to Visakhapatnam's 55.