Chapra vs Ujjain
Side-by-side air quality comparison between Chapra and Ujjain.
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 Ujjain averaged 116 — a 33-point (28%) gap, with Chapra the more polluted and Ujjain the cleaner of the two. On 857 days when both cities reported, Ujjain was cleaner on 627 of them; the average daily gap was 91 AQI points.
Seasonality & days
Chapra peaks in January, while Ujjain peaks in November. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Ujjain 67 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).