Charkhi Dādri vs Chennai
Side-by-side air quality comparison between Charkhi Dādri and Chennai.
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 Chennai averaged 68 — a 77-point (113%) gap, with Charkhi Dādri the more polluted and Chennai the cleaner of the two. On 1167 days when both cities reported, Chennai was cleaner on 824 of them; the average daily gap was 85 AQI points.
Seasonality & days
Charkhi Dādri peaks in November, while Chennai peaks in December. Charkhi Dādri logged 0.7% Severe days and 28% Good-or-Satisfactory days; Chennai was 0% Severe and 57.5% Good-or-Satisfactory. Longest clean-air streaks: Charkhi Dādri 48 days, Chennai 53 days.
Year-over-year progress
Charkhi Dādri has improved by 51 AQI points (26%) from 2020 to 2024; Chennai has improved by 25 AQI points (26.9%) over the same window. The worst recorded day for Charkhi Dādri reached AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12; Chennai hit AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14.
Station-level disparity
Charkhi Dādri spans 1 CPCB stations with a 0-point spread (min 162, max 162); Chennai spans 9 stations with a 27-point spread (min 63, max 90).