Kanchipuram vs Vellore
Side-by-side air quality comparison between Kanchipuram 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, Kanchipuram averaged an AQI of 51 while Vellore averaged 61 — a 10-point (20%) gap, with Vellore the more polluted and Kanchipuram the cleaner of the two. On 135 days when both cities reported, Kanchipuram was cleaner on 102 of them; the average daily gap was 28 AQI points.
Seasonality & days
Kanchipuram peaks in February, while Vellore peaks in December. Kanchipuram logged 0% Severe days and 94% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Kanchipuram 18 days, Vellore 23 days.
Year-over-year progress
Kanchipuram has improved by 18 AQI points (26.1%) from 2022 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Kanchipuram reached AQI 320 at Kilambi (TNPCB) on 2023-05-22; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Kanchipuram spans 1 CPCB stations with a 0-point spread (min 57, max 57); Vellore spans 1 stations with a 0-point spread (min 70, max 70).