Kannur vs Tumkur
Side-by-side air quality comparison between Kannur and Tumkur.
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 | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 6.20 | 1.80 |
| PM10(µg/m³) | 12.40 | 2.50 |
| NO₂(µg/m³) | 1.30 | 1.00 |
| SO₂(µg/m³) | 0.70 | 0.70 |
| O₃(µg/m³) | 59.00 | 77.00 |
| CO(µg/m³) | 108.00 | 112.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kannur averaged an AQI of 65 while Tumkur averaged 88 — a 23-point (35%) gap, with Tumkur the more polluted and Kannur the cleaner of the two. On 337 days when both cities reported, Kannur was cleaner on 244 of them; the average daily gap was 51 AQI points.
Seasonality & days
Kannur peaks in February, while Tumkur peaks in December. Kannur logged 0% Severe days and 92% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Kannur 103 days, Tumkur 20 days.
Year-over-year progress
Kannur has worsened by 11 AQI points (20.4%) from 2020 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Kannur reached AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Kannur spans 1 CPCB stations with a 0-point spread (min 66, max 66); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Tumkur has better air quality with an AQI of 3 compared to Kannur's 12.