Chapra vs Tiruchirappalli
Side-by-side air quality comparison between Chapra and Tiruchirappalli.
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 Tiruchirappalli averaged 50 — a 99-point (198%) gap, with Chapra the more polluted and Tiruchirappalli the cleaner of the two. On 66 days when both cities reported, Tiruchirappalli was cleaner on 66 of them; the average daily gap was 132 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Tiruchirappalli 46 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).