Ahmedabad vs Kozhikode
Side-by-side air quality comparison between Ahmedabad 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 | Ahmedabad | Kozhikode |
|---|---|---|
| PM2.5(µg/m³) | 23.50 | 4.30 |
| PM10(µg/m³) | 38.60 | 9.50 |
| NO₂(µg/m³) | 6.50 | 0.70 |
| SO₂(µg/m³) | 5.20 | 0.30 |
| O₃(µg/m³) | 41.00 | 64.00 |
| CO(µg/m³) | 163.00 | 171.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmedabad averaged an AQI of 117 while Kozhikode averaged 78 — a 39-point (50%) gap, with Ahmedabad the more polluted and Kozhikode the cleaner of the two. On 986 days when both cities reported, Kozhikode was cleaner on 957 of them; the average daily gap was 90 AQI points.
Seasonality & days
Ahmedabad peaks in November, while Kozhikode peaks in January. Ahmedabad logged 0.1% Severe days and 23.7% Good-or-Satisfactory days; Kozhikode was 0.1% Severe and 99% Good-or-Satisfactory. Longest clean-air streaks: Ahmedabad 25 days, Kozhikode 83 days.
Year-over-year progress
Ahmedabad has worsened by 52 AQI points (80%) from 2016 to 2024; Kozhikode has worsened by 29 AQI points (59.2%) over the same window. The worst recorded day for Ahmedabad reached AQI 430 at Raikhad (IITM) on 2023-03-17; Kozhikode hit AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25.
Station-level disparity
Ahmedabad spans 9 CPCB stations with a 44-point spread (min 95, max 139); 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 Ahmedabad's 39.