Kozhikode vs Patna
Side-by-side air quality comparison between Kozhikode and Patna.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Kozhikode averaged an AQI of 78 while Patna averaged 172 — a 94-point (121%) gap, with Patna the more polluted and Kozhikode the cleaner of the two. On 1005 days when both cities reported, Kozhikode was cleaner on 992 of them; the average daily gap was 163 AQI points.
Seasonality & days
Kozhikode peaks in January, while Patna peaks in December. Kozhikode logged 0.1% Severe days and 99% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Kozhikode 83 days, Patna 30 days.
Year-over-year progress
Kozhikode has worsened by 29 AQI points (59.2%) from 2020 to 2023; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Kozhikode reached AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Kozhikode spans 1 CPCB stations with a 0-point spread (min 59, max 59); Patna spans 6 stations with a 39-point spread (min 154, max 193).