Katni vs Vellore
Side-by-side air quality comparison between Katni 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, Katni averaged an AQI of 105 while Vellore averaged 61 — a 44-point (72%) gap, with Katni the more polluted and Vellore the cleaner of the two. On 270 days when both cities reported, Vellore was cleaner on 230 of them; the average daily gap was 63 AQI points.
Seasonality & days
Katni peaks in November, while Vellore peaks in December. Katni logged 0% Severe days and 39.3% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Katni 62 days, Vellore 23 days.
Year-over-year progress
Katni has improved by 93 AQI points (47%) from 2019 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Katni reached AQI 350 at Gole Bazar (MPPCB) on 2019-11-01; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Katni spans 1 CPCB stations with a 0-point spread (min 137, max 137); Vellore spans 1 stations with a 0-point spread (min 70, max 70).