Kannur vs Madurai
Side-by-side air quality comparison between Kannur and Madurai.
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 | Madurai |
|---|---|---|
| PM2.5(µg/m³) | 5.70 | 15.50 |
| PM10(µg/m³) | 11.30 | 16.70 |
| NO₂(µg/m³) | 3.30 | 19.40 |
| SO₂(µg/m³) | 1.10 | 4.80 |
| O₃(µg/m³) | 51.00 | 20.00 |
| CO(µg/m³) | 153.00 | 212.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kannur averaged an AQI of 65 while Madurai averaged 48 — a 17-point (35%) gap, with Kannur the more polluted and Madurai the cleaner of the two. On 33 days when both cities reported, Kannur was cleaner on 17 of them; the average daily gap was 19 AQI points.
Seasonality & days
Kannur peaks in February, while Madurai peaks in December. Kannur logged 0% Severe days and 92% Good-or-Satisfactory days; Madurai was 0% Severe and 98.7% Good-or-Satisfactory. Longest clean-air streaks: Kannur 103 days, Madurai 17 days.
Year-over-year progress
The worst recorded day for Kannur reached AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14; Madurai hit AQI 105 at Uchapatti (TNPCB) on 2024-11-26.
Station-level disparity
Kannur spans 1 CPCB stations with a 0-point spread (min 66, max 66); Madurai spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Kannur has better air quality with an AQI of 11 compared to Madurai's 26.