Kannur vs Thanjavur
Side-by-side air quality comparison between Kannur and Thanjavur.
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 | Thanjavur |
|---|---|---|
| PM2.5(µg/m³) | 5.70 | 12.00 |
| PM10(µg/m³) | 11.30 | 13.70 |
| NO₂(µg/m³) | 3.30 | 9.70 |
| SO₂(µg/m³) | 1.10 | 3.90 |
| O₃(µg/m³) | 51.00 | 38.00 |
| CO(µg/m³) | 153.00 | 163.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kannur averaged an AQI of 65 while Thanjavur averaged 42 — a 23-point (55%) gap, with Kannur the more polluted and Thanjavur the cleaner of the two. On 28 days when both cities reported, Thanjavur was cleaner on 23 of them; the average daily gap was 17 AQI points.
Seasonality & days
Kannur peaks in February, while Thanjavur peaks in November. Kannur logged 0% Severe days and 92% Good-or-Satisfactory days; Thanjavur was 0% Severe and 98.60000000000001% Good-or-Satisfactory. Longest clean-air streaks: Kannur 103 days, Thanjavur 21 days.
Year-over-year progress
The worst recorded day for Kannur reached AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14; Thanjavur hit AQI 140 at Parisutham Nagar (TNPCB) on 2024-11-01.
Station-level disparity
Kannur spans 1 CPCB stations with a 0-point spread (min 66, max 66); Thanjavur spans 1 stations with a 0-point spread (min 42, max 42).
Verdict
🏆 Kannur has better air quality with an AQI of 11 compared to Thanjavur's 20.