Guwahati vs Kannur
Side-by-side air quality comparison between Guwahati and Kannur.
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 | Guwahati | Kannur |
|---|---|---|
| PM2.5(µg/m³) | 37.40 | 6.20 |
| PM10(µg/m³) | 43.90 | 12.40 |
| NO₂(µg/m³) | 1.10 | 1.30 |
| SO₂(µg/m³) | 4.90 | 0.70 |
| O₃(µg/m³) | 151.00 | 59.00 |
| CO(µg/m³) | 344.00 | 108.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Guwahati averaged an AQI of 123 while Kannur averaged 65 — a 58-point (89%) gap, with Guwahati the more polluted and Kannur the cleaner of the two. On 1433 days when both cities reported, Kannur was cleaner on 1161 of them; the average daily gap was 83 AQI points.
Seasonality & days
Guwahati peaks in January, while Kannur peaks in February. Guwahati logged 0.1% Severe days and 44.9% Good-or-Satisfactory days; Kannur was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Guwahati 105 days, Kannur 103 days.
Year-over-year progress
Guwahati has worsened by 14 AQI points (12.8%) from 2019 to 2024; Kannur has worsened by 11 AQI points (20.4%) over the same window. The worst recorded day for Guwahati reached AQI 420 at Railway Colony (PCBA) on 2023-01-15; Kannur hit AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14.
Station-level disparity
Guwahati spans 4 CPCB stations with a 26-point spread (min 118, max 144); Kannur spans 1 stations with a 0-point spread (min 66, max 66).
Verdict
🏆 Kannur has better air quality with an AQI of 12 compared to Guwahati's 63. That's a significant difference of 51 points.