Hosur vs Perundurai
Side-by-side air quality comparison between Hosur 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 2022, Hosur averaged an AQI of 90 while Perundurai averaged 75 — a 15-point (20%) gap, with Hosur the more polluted and Perundurai the cleaner of the two.
Seasonality & days
Hosur peaks in December, while Perundurai peaks in November. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Perundurai was 0% Severe and 80.7% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Perundurai 13 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Perundurai hit AQI 153 at SIPCOT Industrial Park (TNPCB) on 2024-11-12.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Perundurai spans 1 stations with a 0-point spread (min 75, max 75).