Belgaum vs Kannur
Side-by-side air quality comparison between Belgaum and Kannur.
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 | Belgaum | Kannur |
|---|---|---|
| PM2.5(µg/m³) | 11.10 | 5.70 |
| PM10(µg/m³) | 19.90 | 11.30 |
| NO₂(µg/m³) | 6.70 | 3.30 |
| SO₂(µg/m³) | 1.40 | 1.10 |
| O₃(µg/m³) | 38.00 | 51.00 |
| CO(µg/m³) | 113.00 | 153.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Belgaum averaged an AQI of 58 while Kannur averaged 65 — a 7-point (12%) gap, with Kannur the more polluted and Belgaum the cleaner of the two. On 535 days when both cities reported, Belgaum was cleaner on 311 of them; the average daily gap was 28 AQI points.
Seasonality & days
Belgaum peaks in January, while Kannur peaks in February. Belgaum logged 0% Severe days and 84.3% Good-or-Satisfactory days; Kannur was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Belgaum 71 days, Kannur 103 days.
Year-over-year progress
Belgaum has improved by 33 AQI points (36.3%) from 2022 to 2024; Kannur has worsened by 11 AQI points (20.4%) over the same window. The worst recorded day for Belgaum reached AQI 248 at Ramteerth Nagar (KSPCB) on 2024-12-14; Kannur hit AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14.
Station-level disparity
Belgaum spans 1 CPCB stations with a 0-point spread (min 71, max 71); Kannur spans 1 stations with a 0-point spread (min 66, max 66).
Verdict
🏆 Kannur has better air quality with an AQI of 11 compared to Belgaum's 20.