Hosur vs Madurai
Side-by-side air quality comparison between Hosur and Madurai.
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 | Madurai |
|---|---|---|
| PM2.5(µg/m³) | 5.00 | 13.70 |
| PM10(µg/m³) | 6.00 | 15.40 |
| NO₂(µg/m³) | 9.20 | 23.90 |
| SO₂(µg/m³) | 4.50 | 4.60 |
| O₃(µg/m³) | 37.00 | 10.00 |
| CO(µg/m³) | 147.00 | 188.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Hosur averaged an AQI of 90 while Madurai averaged 48 — a 42-point (88%) gap, with Hosur the more polluted and Madurai the cleaner of the two.
Seasonality & days
Both cities see their worst air in December on average. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Madurai was 0% Severe and 98.7% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Madurai 17 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Madurai hit AQI 105 at Uchapatti (TNPCB) on 2024-11-26.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Madurai spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Hosur has better air quality with an AQI of 8 compared to Madurai's 23.