Begusarai vs Vellore
Side-by-side air quality comparison between Begusarai 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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Begusarai | Vellore |
|---|---|---|
| PM2.5(µg/m³) | 88.90 | 8.00 |
| PM10(µg/m³) | 101.70 | 10.00 |
| NO₂(µg/m³) | 52.20 | 11.40 |
| SO₂(µg/m³) | 16.70 | 4.50 |
| O₃(µg/m³) | 23.00 | 41.00 |
| CO(µg/m³) | 695.00 | 175.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Vellore averaged 61 — a 67-point (110%) gap, with Begusarai the more polluted and Vellore the cleaner of the two. On 135 days when both cities reported, Vellore was cleaner on 116 of them; the average daily gap was 137 AQI points.
Seasonality & days
Begusarai peaks in January, while Vellore peaks in December. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Vellore 23 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Vellore spans 1 stations with a 0-point spread (min 70, max 70).
Verdict
🏆 Vellore has better air quality with an AQI of 13 compared to Begusarai's 196. That's a significant difference of 183 points.