Karnal vs Vellore
Side-by-side air quality comparison between Karnal 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, Karnal averaged an AQI of 102 while Vellore averaged 61 — a 41-point (67%) gap, with Karnal the more polluted and Vellore the cleaner of the two. On 286 days when both cities reported, Vellore was cleaner on 225 of them; the average daily gap was 59 AQI points.
Seasonality & days
Karnal peaks in November, while Vellore peaks in December. Karnal logged 0.1% Severe days and 46.2% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Karnal 53 days, Vellore 23 days.
Year-over-year progress
Karnal has improved by 71 AQI points (41%) from 2019 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Karnal reached AQI 456 at Sector-12 (HSPCB) on 2019-11-03; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Karnal spans 1 CPCB stations with a 0-point spread (min 128, max 128); Vellore spans 1 stations with a 0-point spread (min 70, max 70).