Fatehābād vs Perundurai
Side-by-side air quality comparison between Fatehābād and Perundurai.
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, Fatehābād averaged an AQI of 116 while Perundurai averaged 75 — a 41-point (55%) gap, with Fatehābād the more polluted and Perundurai the cleaner of the two. On 33 days when both cities reported, Perundurai was cleaner on 30 of them; the average daily gap was 96 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Fatehābād logged 1.5% Severe days and 31.1% Good-or-Satisfactory days; Perundurai was 0% Severe and 80.7% Good-or-Satisfactory. Longest clean-air streaks: Fatehābād 38 days, Perundurai 13 days.
Year-over-year progress
The worst recorded day for Fatehābād reached AQI 493 at Huda Sector (HSPCB) on 2019-11-02; Perundurai hit AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12.
Station-level disparity
Fatehābād spans 1 CPCB stations with a 0-point spread (min 151, max 151); Perundurai spans 1 stations with a 0-point spread (min 75, max 75).