Chapra vs Ludhiana
Side-by-side air quality comparison between Chapra and Ludhiana.
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 Ludhiana averaged 117 — a 32-point (27%) gap, with Chapra the more polluted and Ludhiana the cleaner of the two. On 32 days when both cities reported, Ludhiana was cleaner on 31 of them; the average daily gap was 150 AQI points.
Seasonality & days
Chapra peaks in January, while Ludhiana peaks in November. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Ludhiana was 0.3% Severe and 53.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Ludhiana 53 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Ludhiana has improved by 79 AQI points (40.3%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Ludhiana hit AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Ludhiana spans 1 stations with a 0-point spread (min 118, max 118).