Kannur vs Palwal
Side-by-side air quality comparison between Kannur and Palwal.
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 | Palwal |
|---|---|---|
| PM2.5(µg/m³) | 5.70 | 62.40 |
| PM10(µg/m³) | 11.30 | 136.40 |
| NO₂(µg/m³) | 3.30 | 19.70 |
| SO₂(µg/m³) | 1.10 | 10.50 |
| O₃(µg/m³) | 51.00 | 66.00 |
| CO(µg/m³) | 153.00 | 503.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kannur averaged an AQI of 65 while Palwal averaged 95 — a 30-point (46%) gap, with Palwal the more polluted and Kannur the cleaner of the two. On 1279 days when both cities reported, Kannur was cleaner on 999 of them; the average daily gap was 52 AQI points.
Seasonality & days
Kannur peaks in February, while Palwal peaks in November. Kannur logged 0% Severe days and 92% Good-or-Satisfactory days; Palwal was 0.2% Severe and 47.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Kannur 103 days, Palwal 37 days.
Year-over-year progress
Kannur has worsened by 11 AQI points (20.4%) from 2020 to 2024; Palwal has improved by 91 AQI points (48.9%) over the same window. The worst recorded day for Kannur reached AQI 258 at Thavakkara Kannur (PCB) on 2021-04-14; Palwal hit AQI 465 at Shyam Nagar (HSPCB) on 2019-11-14.
Station-level disparity
Kannur spans 1 CPCB stations with a 0-point spread (min 66, max 66); Palwal spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Kannur has better air quality with an AQI of 11 compared to Palwal's 125. That's a significant difference of 114 points.