Kalyān vs Kannur
Side-by-side air quality comparison between Kalyān 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 | Kalyān | Kannur |
|---|---|---|
| PM2.5(µg/m³) | 23.70 | 5.70 |
| PM10(µg/m³) | 40.90 | 11.30 |
| NO₂(µg/m³) | 20.60 | 3.30 |
| SO₂(µg/m³) | 23.00 | 1.10 |
| O₃(µg/m³) | 23.00 | 51.00 |
| CO(µg/m³) | 186.00 | 153.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kalyān averaged an AQI of 95 while Kannur averaged 65 — a 30-point (46%) gap, with Kalyān the more polluted and Kannur the cleaner of the two. On 990 days when both cities reported, Kannur was cleaner on 823 of them; the average daily gap was 66 AQI points.
Seasonality & days
Kalyān peaks in January, while Kannur peaks in February. Kalyān logged 0.1% Severe days and 46.4% Good-or-Satisfactory days; Kannur was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Kalyān 78 days, Kannur 103 days.
Year-over-year progress
Kalyān has improved by 4 AQI points (4%) from 2019 to 2024; Kannur has worsened by 11 AQI points (20.4%) over the same window. The worst recorded day for Kalyān reached AQI 414 at Khadakpada (MPCB) on 2022-01-24; Kannur hit AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14.
Station-level disparity
Kalyān spans 2 CPCB stations with a 18-point spread (min 98, max 116); Kannur spans 1 stations with a 0-point spread (min 66, max 66).
Verdict
🏆 Kannur has better air quality with an AQI of 11 compared to Kalyān's 41.