Kannur vs Tālcher
Side-by-side air quality comparison between Kannur and Tālcher.
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 | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 5.70 | 66.60 |
| PM10(µg/m³) | 11.30 | 72.90 |
| NO₂(µg/m³) | 3.30 | 20.10 |
| SO₂(µg/m³) | 1.10 | 10.00 |
| O₃(µg/m³) | 51.00 | 60.00 |
| CO(µg/m³) | 153.00 | 471.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kannur averaged an AQI of 65 while Tālcher averaged 127 — a 62-point (95%) gap, with Tālcher the more polluted and Kannur the cleaner of the two. On 1054 days when both cities reported, Kannur was cleaner on 810 of them; the average daily gap was 54 AQI points.
Seasonality & days
Kannur peaks in February, while Tālcher peaks in December. Kannur logged 0% Severe days and 92% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Kannur 103 days, Tālcher 44 days.
Year-over-year progress
Kannur has worsened by 11 AQI points (20.4%) from 2020 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Kannur reached AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Kannur spans 1 CPCB stations with a 0-point spread (min 66, max 66); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Kannur has better air quality with an AQI of 11 compared to Tālcher's 123. That's a significant difference of 112 points.