Chapra vs Thrissur
Side-by-side air quality comparison between Chapra and Thrissur.
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 2024, Chapra averaged an AQI of 149 while Thrissur averaged 57 — a 92-point (161%) gap, with Chapra the more polluted and Thrissur the cleaner of the two. On 716 days when both cities reported, Thrissur was cleaner on 670 of them; the average daily gap was 128 AQI points.
Seasonality & days
Chapra peaks in January, while Thrissur peaks in February. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Thrissur 52 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Thrissur has improved by 21 AQI points (26.9%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Thrissur spans 1 stations with a 0-point spread (min 68, max 68).