Ghaziabad vs Kozhikode
Side-by-side air quality comparison between Ghaziabad 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 | Ghaziabad | Kozhikode |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 4.60 |
| PM10(µg/m³) | 97.30 | 10.30 |
| NO₂(µg/m³) | 36.60 | 0.50 |
| SO₂(µg/m³) | 11.50 | 0.30 |
| O₃(µg/m³) | 36.00 | 64.00 |
| CO(µg/m³) | 522.00 | 217.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ghaziabad averaged an AQI of 177 while Kozhikode averaged 78 — a 99-point (127%) gap, with Ghaziabad the more polluted and Kozhikode the cleaner of the two. On 944 days when both cities reported, Kozhikode was cleaner on 921 of them; the average daily gap was 189 AQI points.
Seasonality & days
Ghaziabad peaks in November, while Kozhikode peaks in January. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Kozhikode was 0.1% Severe and 99% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Kozhikode 83 days.
Year-over-year progress
Ghaziabad has improved by 115 AQI points (39.4%) from 2017 to 2024; Kozhikode has worsened by 29 AQI points (59.2%) over the same window. The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Kozhikode hit AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); 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 Ghaziabad's 140. That's a significant difference of 130 points.