Kozhikode vs Ulhasnagar
Side-by-side air quality comparison between Kozhikode and Ulhasnagar.
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 | Ulhasnagar |
|---|---|---|
| PM2.5(µg/m³) | 4.60 | 22.10 |
| PM10(µg/m³) | 10.30 | 40.40 |
| NO₂(µg/m³) | 0.50 | 23.10 |
| SO₂(µg/m³) | 0.30 | 21.70 |
| O₃(µg/m³) | 64.00 | 19.00 |
| CO(µg/m³) | 217.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Kozhikode averaged an AQI of 78 while Ulhasnagar averaged 117 — a 39-point (50%) gap, with Ulhasnagar the more polluted and Kozhikode the cleaner of the two.
Seasonality & days
Both cities see their worst air in January on average. Kozhikode logged 0.1% Severe days and 99% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Kozhikode 83 days, Ulhasnagar 74 days.
Year-over-year progress
Kozhikode has worsened by 29 AQI points (59.2%) from 2020 to 2023; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Kozhikode reached AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Kozhikode spans 1 CPCB stations with a 0-point spread (min 59, max 59); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).
Verdict
🏆 Kozhikode has better air quality with an AQI of 10 compared to Ulhasnagar's 40.