Dindigul vs Hosur
Side-by-side air quality comparison between Dindigul and Hosur.
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 | Dindigul | Hosur |
|---|---|---|
| PM2.5(µg/m³) | 7.60 | 3.40 |
| PM10(µg/m³) | 10.10 | 4.50 |
| NO₂(µg/m³) | 2.80 | 3.00 |
| SO₂(µg/m³) | 2.90 | 2.90 |
| O₃(µg/m³) | 90.00 | 70.00 |
| CO(µg/m³) | 185.00 | 133.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dindigul averaged an AQI of 61 while Hosur averaged 90 — a 29-point (48%) gap, with Hosur the more polluted and Dindigul the cleaner of the two. On 44 days when both cities reported, Dindigul was cleaner on 28 of them; the average daily gap was 55 AQI points.
Seasonality & days
Dindigul peaks in February, while Hosur peaks in December. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Hosur was 0% Severe and 73.89999999999999% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Hosur 10 days.
Year-over-year progress
The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Hosur hit AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); Hosur spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Hosur has better air quality with an AQI of 6 compared to Dindigul's 13.