Kozhikode vs Virudhunagar
Side-by-side air quality comparison between Kozhikode and Virudhunagar.
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 | Virudhunagar |
|---|---|---|
| PM2.5(µg/m³) | 4.30 | 5.30 |
| PM10(µg/m³) | 9.50 | 6.10 |
| NO₂(µg/m³) | 0.70 | 6.70 |
| SO₂(µg/m³) | 0.30 | 3.00 |
| O₃(µg/m³) | 64.00 | 35.00 |
| CO(µg/m³) | 171.00 | 129.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Kozhikode averaged an AQI of 78 while Virudhunagar averaged 52 — a 26-point (50%) gap, with Kozhikode the more polluted and Virudhunagar the cleaner of the two.
Seasonality & days
Kozhikode peaks in January, while Virudhunagar peaks in November. Kozhikode logged 0.1% Severe days and 99% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Kozhikode 83 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Kozhikode reached AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Kozhikode spans 1 CPCB stations with a 0-point spread (min 59, max 59); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Virudhunagar has better air quality with an AQI of 9 compared to Kozhikode's 10.