Prayagraj vs Vellore
Side-by-side air quality comparison between Prayagraj and Vellore.
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 Vellore averaged 61 — a 19-point (31%) gap, with Prayagraj the more polluted and Vellore the cleaner of the two. On 233 days when both cities reported, Vellore was cleaner on 182 of them; the average daily gap was 46 AQI points.
Seasonality & days
Prayagraj peaks in November, while Vellore peaks in December. Prayagraj logged 0.2% Severe days and 48% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Prayagraj 69 days, Vellore 23 days.
Year-over-year progress
Prayagraj has improved by 42 AQI points (34.4%) from 2021 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Prayagraj reached AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Prayagraj spans 3 CPCB stations with a 9-point spread (min 96, max 105); Vellore spans 1 stations with a 0-point spread (min 70, max 70).