Bulandshahr vs Vellore
Side-by-side air quality comparison between Bulandshahr 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, Bulandshahr averaged an AQI of 142 while Vellore averaged 61 — a 81-point (133%) gap, with Bulandshahr the more polluted and Vellore the cleaner of the two. On 299 days when both cities reported, Vellore was cleaner on 270 of them; the average daily gap was 95 AQI points.
Seasonality & days
Bulandshahr peaks in November, while Vellore peaks in December. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Vellore 23 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Vellore spans 1 stations with a 0-point spread (min 70, max 70).