Kozhikode vs Prayagraj
Side-by-side air quality comparison between Kozhikode and Prayagraj.
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 | Prayagraj |
|---|---|---|
| PM2.5(µg/m³) | 4.30 | 61.00 |
| PM10(µg/m³) | 9.50 | 73.80 |
| NO₂(µg/m³) | 0.70 | 45.90 |
| SO₂(µg/m³) | 0.30 | 15.60 |
| O₃(µg/m³) | 64.00 | 36.00 |
| CO(µg/m³) | 171.00 | 240.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Kozhikode averaged an AQI of 78 while Prayagraj averaged 80 — a 2-point (3%) gap, with Prayagraj the more polluted and Kozhikode the cleaner of the two. On 492 days when both cities reported, Kozhikode was cleaner on 429 of them; the average daily gap was 77 AQI points.
Seasonality & days
Kozhikode peaks in January, while Prayagraj peaks in November. Kozhikode logged 0.1% Severe days and 99% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Kozhikode 83 days, Prayagraj 69 days.
Year-over-year progress
Kozhikode has worsened by 29 AQI points (59.2%) from 2020 to 2023; Prayagraj has improved by 42 AQI points (34.4%) over the same window. The worst recorded day for Kozhikode reached AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Kozhikode spans 1 CPCB stations with a 0-point spread (min 59, max 59); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).
Verdict
🏆 Kozhikode has better air quality with an AQI of 10 compared to Prayagraj's 104. That's a significant difference of 94 points.