Kozhikode vs Ludhiana
Side-by-side air quality comparison between Kozhikode and Ludhiana.
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 | Kozhikode | Ludhiana |
|---|---|---|
| PM2.5(µg/m³) | 4.30 | 71.50 |
| PM10(µg/m³) | 9.50 | 100.40 |
| NO₂(µg/m³) | 0.70 | 31.30 |
| SO₂(µg/m³) | 0.30 | 17.00 |
| O₃(µg/m³) | 64.00 | 62.00 |
| CO(µg/m³) | 171.00 | 748.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Kozhikode averaged an AQI of 78 while Ludhiana averaged 117 — a 39-point (50%) gap, with Ludhiana the more polluted and Kozhikode the cleaner of the two. On 630 days when both cities reported, Kozhikode was cleaner on 526 of them; the average daily gap was 60 AQI points.
Seasonality & days
Kozhikode peaks in January, while Ludhiana peaks in November. Kozhikode logged 0.1% Severe days and 99% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Kozhikode 83 days, Ludhiana 53 days.
Year-over-year progress
Kozhikode has worsened by 29 AQI points (59.2%) from 2020 to 2023; Ludhiana has improved by 79 AQI points (40.3%) over the same window. The worst recorded day for Kozhikode reached AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Kozhikode spans 1 CPCB stations with a 0-point spread (min 59, max 59); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).
Verdict
🏆 Kozhikode has better air quality with an AQI of 10 compared to Ludhiana's 139. That's a significant difference of 129 points.