Hisar vs Kozhikode
Side-by-side air quality comparison between Hisar 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 | Hisar | Kozhikode |
|---|---|---|
| PM2.5(µg/m³) | 75.00 | 4.60 |
| PM10(µg/m³) | 231.00 | 10.30 |
| NO₂(µg/m³) | 42.00 | 0.50 |
| SO₂(µg/m³) | 7.20 | 0.30 |
| O₃(µg/m³) | 25.00 | 64.00 |
| CO(µg/m³) | 573.00 | 217.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hisar averaged an AQI of 136 while Kozhikode averaged 78 — a 58-point (74%) gap, with Hisar the more polluted and Kozhikode the cleaner of the two. On 878 days when both cities reported, Kozhikode was cleaner on 824 of them; the average daily gap was 121 AQI points.
Seasonality & days
Hisar peaks in November, while Kozhikode peaks in January. Hisar logged 1.6% Severe days and 29.700000000000003% Good-or-Satisfactory days; Kozhikode was 0.1% Severe and 99% Good-or-Satisfactory. Longest clean-air streaks: Hisar 34 days, Kozhikode 83 days.
Year-over-year progress
Hisar has improved by 39 AQI points (22.3%) from 2019 to 2024; Kozhikode has worsened by 29 AQI points (59.2%) over the same window. The worst recorded day for Hisar reached AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02; Kozhikode hit AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25.
Station-level disparity
Hisar spans 1 CPCB stations with a 0-point spread (min 168, max 168); 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 Hisar's 187. That's a significant difference of 177 points.