Bangalore vs Hosur
Side-by-side air quality comparison between Bangalore 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 | Bangalore | Hosur |
|---|---|---|
| PM2.5(µg/m³) | 5.10 | 4.50 |
| PM10(µg/m³) | 5.60 | 5.00 |
| NO₂(µg/m³) | 9.50 | 7.50 |
| SO₂(µg/m³) | 4.20 | 4.10 |
| O₃(µg/m³) | 35.00 | 38.00 |
| CO(µg/m³) | 290.00 | 140.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bangalore averaged an AQI of 74 while Hosur averaged 90 — a 16-point (22%) gap, with Hosur the more polluted and Bangalore the cleaner of the two. On 96 days when both cities reported, Hosur was cleaner on 71 of them; the average daily gap was 55 AQI points.
Seasonality & days
Bangalore peaks in March, while Hosur peaks in December. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Hosur was 0% Severe and 73.89999999999999% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Hosur 10 days.
Year-over-year progress
The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Hosur hit AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Hosur spans 1 stations with a 0-point spread (min 90, max 90).
Verdict
🏆 Hosur has better air quality with an AQI of 8 compared to Bangalore's 9.