Hosur vs Virudhunagar
Side-by-side air quality comparison between Hosur and Virudhunagar.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Hosur | Virudhunagar |
|---|---|---|
| CO(ppb) | 705.07 | — |
| NO2(ppb) | 1.97 | — |
| O3(ppb) | 13.22 | — |
| PM10(µg/m³) | 85.67 | — |
| PM2.5(µg/m³) | 6.02 | — |
| SO2(ppb) | 2.64 | — |
| NH3(ppb) | 4.67 | — |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Hosur averaged an AQI of 90 while Virudhunagar averaged 52 — a 38-point (73%) gap, with Hosur the more polluted and Virudhunagar the cleaner of the two.
Seasonality & days
Hosur peaks in December, while Virudhunagar peaks in November. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).
Verdict
🏆 Virudhunagar has better air quality with an AQI of 50 compared to Hosur's 86.