Saharsa vs Vellore
Side-by-side air quality comparison between Saharsa 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, Saharsa averaged an AQI of 139 while Vellore averaged 61 — a 78-point (128%) gap, with Saharsa the more polluted and Vellore the cleaner of the two. On 250 days when both cities reported, Vellore was cleaner on 231 of them; the average daily gap was 117 AQI points.
Seasonality & days
Saharsa peaks in January, while Vellore peaks in December. Saharsa logged 1.4% Severe days and 28.4% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Saharsa 20 days, Vellore 23 days.
Year-over-year progress
Saharsa has improved by 139 AQI points (50%) from 2021 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Saharsa reached AQI 454 at Police Line (BSPCB) on 2022-12-13; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Saharsa spans 1 CPCB stations with a 0-point spread (min 188, max 188); Vellore spans 1 stations with a 0-point spread (min 70, max 70).