Patna vs Ujjain
Side-by-side air quality comparison between Patna 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, Patna averaged an AQI of 172 while Ujjain averaged 116 — a 56-point (48%) gap, with Patna the more polluted and Ujjain the cleaner of the two. On 2348 days when both cities reported, Ujjain was cleaner on 2014 of them; the average daily gap was 107 AQI points.
Seasonality & days
Patna peaks in December, while Ujjain peaks in November. Patna logged 7.5% Severe days and 19.400000000000002% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Patna 30 days, Ujjain 67 days.
Year-over-year progress
Patna has improved by 40 AQI points (18.9%) from 2016 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Patna reached AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Patna spans 6 CPCB stations with a 39-point spread (min 154, max 193); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).