Ariyalur vs Charkhi Dādri
Side-by-side air quality comparison between Ariyalur and Charkhi Dādri.
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, Ariyalur averaged an AQI of 46 while Charkhi Dādri averaged 145 — a 99-point (215%) gap, with Charkhi Dādri the more polluted and Ariyalur the cleaner of the two. On 592 days when both cities reported, Ariyalur was cleaner on 555 of them; the average daily gap was 103 AQI points.
Seasonality & days
Ariyalur peaks in March, while Charkhi Dādri peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Charkhi Dādri was 0.7% Severe and 28% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Charkhi Dādri 48 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Charkhi Dādri has improved by 51 AQI points (26%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Charkhi Dādri hit AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Charkhi Dādri spans 1 stations with a 0-point spread (min 162, max 162).