Patna vs Prayagraj
Side-by-side air quality comparison between Patna and Prayagraj.
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 Prayagraj averaged 80 — a 92-point (115%) gap, with Patna the more polluted and Prayagraj the cleaner of the two. On 937 days when both cities reported, Prayagraj was cleaner on 861 of them; the average daily gap was 114 AQI points.
Seasonality & days
Patna peaks in December, while Prayagraj peaks in November. Patna logged 7.5% Severe days and 19.400000000000002% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Patna 30 days, Prayagraj 69 days.
Year-over-year progress
Patna has improved by 40 AQI points (18.9%) from 2016 to 2024; Prayagraj has improved by 42 AQI points (34.4%) over the same window. The worst recorded day for Patna reached AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Patna spans 6 CPCB stations with a 39-point spread (min 154, max 193); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).