Karnal vs Kozhikode
Side-by-side air quality comparison between Karnal and Kozhikode.
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 | Karnal | Kozhikode |
|---|---|---|
| PM2.5(µg/m³) | 130.90 | 4.30 |
| PM10(µg/m³) | 553.20 | 9.50 |
| NO₂(µg/m³) | 43.30 | 0.70 |
| SO₂(µg/m³) | 17.00 | 0.30 |
| O₃(µg/m³) | 43.00 | 64.00 |
| CO(µg/m³) | 906.00 | 171.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karnal averaged an AQI of 102 while Kozhikode averaged 78 — a 24-point (31%) gap, with Karnal the more polluted and Kozhikode the cleaner of the two. On 922 days when both cities reported, Kozhikode was cleaner on 778 of them; the average daily gap was 74 AQI points.
Seasonality & days
Karnal peaks in November, while Kozhikode peaks in January. Karnal logged 0.1% Severe days and 46.2% Good-or-Satisfactory days; Kozhikode was 0.1% Severe and 99% Good-or-Satisfactory. Longest clean-air streaks: Karnal 53 days, Kozhikode 83 days.
Year-over-year progress
Karnal has improved by 71 AQI points (41%) from 2019 to 2024; Kozhikode has worsened by 29 AQI points (59.2%) over the same window. The worst recorded day for Karnal reached AQI 456 at Sector-12 (HSPCB) on 2019-11-03; Kozhikode hit AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25.
Station-level disparity
Karnal spans 1 CPCB stations with a 0-point spread (min 128, max 128); Kozhikode spans 1 stations with a 0-point spread (min 59, max 59).
Verdict
🏆 Kozhikode has better air quality with an AQI of 10 compared to Karnal's 473. That's a significant difference of 463 points.