Kannur vs Kārwār
Side-by-side air quality comparison between Kannur and Kārwār.
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 | Kārwār |
|---|---|---|
| PM2.5(µg/m³) | 5.70 | 6.20 |
| PM10(µg/m³) | 11.30 | 15.80 |
| NO₂(µg/m³) | 3.30 | 0.70 |
| SO₂(µg/m³) | 1.10 | 0.40 |
| O₃(µg/m³) | 51.00 | 56.00 |
| CO(µg/m³) | 153.00 | 98.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kannur averaged an AQI of 65 while Kārwār averaged 55 — a 10-point (18%) gap, with Kannur the more polluted and Kārwār the cleaner of the two. On 175 days when both cities reported, Kannur was cleaner on 91 of them; the average daily gap was 28 AQI points.
Seasonality & days
Kannur peaks in February, while Kārwār peaks in January. Kannur logged 0% Severe days and 92% Good-or-Satisfactory days; Kārwār was 0% Severe and 92.7% Good-or-Satisfactory. Longest clean-air streaks: Kannur 103 days, Kārwār 34 days.
Year-over-year progress
Kannur has worsened by 11 AQI points (20.4%) from 2020 to 2024; Kārwār has improved by 72 AQI points (56.7%) over the same window. The worst recorded day for Kannur reached AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14; Kārwār hit AQI 222 at KHB Colony (KSPCB) on 2023-12-21.
Station-level disparity
Kannur spans 1 CPCB stations with a 0-point spread (min 66, max 66); Kārwār spans 1 stations with a 0-point spread (min 58, max 58).
Verdict
🏆 Kannur has better air quality with an AQI of 11 compared to Kārwār's 16.