Delhi vs Kozhikode
Side-by-side air quality comparison between Delhi 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 | Delhi | Kozhikode |
|---|---|---|
| PM2.5(µg/m³) | 78.20 | 4.60 |
| PM10(µg/m³) | 154.10 | 10.30 |
| NO₂(µg/m³) | 47.90 | 0.50 |
| SO₂(µg/m³) | 33.40 | 0.30 |
| O₃(µg/m³) | 43.00 | 64.00 |
| CO(µg/m³) | 545.00 | 217.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Delhi averaged an AQI of 210 while Kozhikode averaged 78 — a 132-point (169%) gap, with Delhi the more polluted and Kozhikode the cleaner of the two. On 1006 days when both cities reported, Kozhikode was cleaner on 1006 of them; the average daily gap was 233 AQI points.
Seasonality & days
Delhi peaks in November, while Kozhikode peaks in January. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Kozhikode was 0.1% Severe and 99% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Kozhikode 83 days.
Year-over-year progress
Delhi has improved by 42 AQI points (16.7%) from 2016 to 2024; Kozhikode has worsened by 29 AQI points (59.2%) over the same window. The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Kozhikode hit AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); 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 Delhi's 161. That's a significant difference of 151 points.