Hajipur vs Vellore
Side-by-side air quality comparison between Hajipur 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, Hajipur averaged an AQI of 173 while Vellore averaged 61 — a 112-point (184%) gap, with Hajipur the more polluted and Vellore the cleaner of the two. On 294 days when both cities reported, Vellore was cleaner on 282 of them; the average daily gap was 114 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Hajipur logged 0.3% Severe days and 36.6% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Hajipur 36 days, Vellore 23 days.
Year-over-year progress
Hajipur has worsened by 74 AQI points (74.7%) from 2020 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Hajipur reached AQI 427 at Industrial Area (BSPCB) on 2024-11-12; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Hajipur spans 1 CPCB stations with a 0-point spread (min 149, max 149); Vellore spans 1 stations with a 0-point spread (min 70, max 70).