Hosur vs Hubli-Dharwad
Side-by-side air quality comparison between Hosur and Hubli-Dharwad.
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 | Hubli-Dharwad |
|---|---|---|
| PM2.5(µg/m³) | 4.50 | 5.30 |
| PM10(µg/m³) | 5.00 | 8.40 |
| NO₂(µg/m³) | 7.50 | 5.20 |
| SO₂(µg/m³) | 4.10 | 1.20 |
| O₃(µg/m³) | 38.00 | 39.00 |
| CO(µg/m³) | 140.00 | 117.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Hosur averaged an AQI of 90 while Hubli-Dharwad averaged 64 — a 26-point (41%) gap, with Hosur the more polluted and Hubli-Dharwad the cleaner of the two. On 94 days when both cities reported, Hubli-Dharwad was cleaner on 59 of them; the average daily gap was 24 AQI points.
Seasonality & days
Hosur peaks in December, while Hubli-Dharwad peaks in February. Hosur logged 0% Severe days and 73.89999999999999% Good-or-Satisfactory days; Hubli-Dharwad was 0% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Hosur 10 days, Hubli-Dharwad 180 days.
Year-over-year progress
The worst recorded day for Hosur reached AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25; Hubli-Dharwad hit AQI 500 at Deshpande Nagar (KSPCB) on 2018-05-21.
Station-level disparity
Hosur spans 1 CPCB stations with a 0-point spread (min 90, max 90); Hubli-Dharwad spans 2 stations with a 6-point spread (min 73, max 79).
Verdict
🏆 Hosur has better air quality with an AQI of 8 compared to Hubli-Dharwad's 9.