Hosur vs Vellore
Side-by-side air quality comparison between Hosur 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 2022, Hosur averaged an AQI of 90 while Vellore averaged 61 — a 29-point (48%) gap, with Hosur the more polluted and Vellore the cleaner of the two. On 29 days when both cities reported, Vellore was cleaner on 20 of them; the average daily gap was 27 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Vellore 23 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Vellore spans 1 stations with a 0-point spread (min 70, max 70).