Ariyalur vs Fatehābād
Side-by-side air quality comparison between Ariyalur and Fatehābād.
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 Fatehābād averaged 116 — a 70-point (152%) gap, with Fatehābād the more polluted and Ariyalur the cleaner of the two. On 465 days when both cities reported, Ariyalur was cleaner on 441 of them; the average daily gap was 100 AQI points.
Seasonality & days
Ariyalur peaks in March, while Fatehābād peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Fatehābād was 1.5% Severe and 31.1% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Fatehābād 38 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Fatehābād has improved by 43 AQI points (27%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Fatehābād hit AQI 493 at Huda Sector (HSPCB) on 2019-11-02.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Fatehābād spans 1 stations with a 0-point spread (min 151, max 151).