Charkhi Dādri vs Vellore
Side-by-side air quality comparison between Charkhi Dādri 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, Charkhi Dādri averaged an AQI of 145 while Vellore averaged 61 — a 84-point (138%) gap, with Charkhi Dādri the more polluted and Vellore the cleaner of the two. On 294 days when both cities reported, Vellore was cleaner on 259 of them; the average daily gap was 98 AQI points.
Seasonality & days
Charkhi Dādri peaks in November, while Vellore peaks in December. Charkhi Dādri logged 0.7% Severe days and 28% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Charkhi Dādri 48 days, Vellore 23 days.
Year-over-year progress
Charkhi Dādri has improved by 51 AQI points (26%) from 2020 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Charkhi Dādri reached AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Charkhi Dādri spans 1 CPCB stations with a 0-point spread (min 162, max 162); Vellore spans 1 stations with a 0-point spread (min 70, max 70).