Bidar vs Hosur
Side-by-side air quality comparison between Bidar 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 | Bidar | Hosur |
|---|---|---|
| PM2.5(µg/m³) | 16.50 | 4.50 |
| PM10(µg/m³) | 22.50 | 5.00 |
| NO₂(µg/m³) | 7.30 | 7.50 |
| SO₂(µg/m³) | 2.40 | 4.10 |
| O₃(µg/m³) | 64.00 | 38.00 |
| CO(µg/m³) | 204.00 | 140.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bidar averaged an AQI of 85 while Hosur averaged 90 — a 5-point (6%) gap, with Hosur the more polluted and Bidar the cleaner of the two. On 36 days when both cities reported, Bidar was cleaner on 31 of them; the average daily gap was 33 AQI points.
Seasonality & days
Bidar peaks in January, while Hosur peaks in December. Bidar logged 0.1% Severe days and 72.5% Good-or-Satisfactory days; Hosur was 0% Severe and 73.89999999999999% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Hosur 10 days.
Year-over-year progress
The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Hosur hit AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25.
Station-level disparity
Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); 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 Bidar's 28.