Ariyalur vs Kozhikode
Side-by-side air quality comparison between Ariyalur 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 | Ariyalur | Kozhikode |
|---|---|---|
| PM2.5(µg/m³) | 6.80 | 4.30 |
| PM10(µg/m³) | 8.30 | 9.50 |
| NO₂(µg/m³) | 7.50 | 0.70 |
| SO₂(µg/m³) | 6.50 | 0.30 |
| O₃(µg/m³) | 43.00 | 64.00 |
| CO(µg/m³) | 133.00 | 171.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Kozhikode averaged 78 — a 32-point (70%) gap, with Kozhikode the more polluted and Ariyalur the cleaner of the two. On 67 days when both cities reported, Ariyalur was cleaner on 37 of them; the average daily gap was 26 AQI points.
Seasonality & days
Ariyalur peaks in March, while Kozhikode peaks in January. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Kozhikode was 0.1% Severe and 99% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Kozhikode 83 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Kozhikode has worsened by 29 AQI points (59.2%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Kozhikode hit AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); 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 Ariyalur's 11.