Prayagraj vs Ulhasnagar
Side-by-side air quality comparison between Prayagraj and Ulhasnagar.
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, Prayagraj averaged an AQI of 80 while Ulhasnagar averaged 117 — a 37-point (46%) gap, with Ulhasnagar the more polluted and Prayagraj the cleaner of the two. On 352 days when both cities reported, Prayagraj was cleaner on 236 of them; the average daily gap was 36 AQI points.
Seasonality & days
Prayagraj peaks in November, while Ulhasnagar peaks in January. Prayagraj logged 0.2% Severe days and 48% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Prayagraj 69 days, Ulhasnagar 74 days.
Year-over-year progress
Prayagraj has improved by 42 AQI points (34.4%) from 2021 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Prayagraj reached AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Prayagraj spans 3 CPCB stations with a 9-point spread (min 96, max 105); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).