Begusarai vs Hosur
Side-by-side air quality comparison between Begusarai 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 | Begusarai | Hosur |
|---|---|---|
| PM2.5(µg/m³) | 88.90 | 5.00 |
| PM10(µg/m³) | 101.70 | 6.00 |
| NO₂(µg/m³) | 52.20 | 9.20 |
| SO₂(µg/m³) | 16.70 | 4.50 |
| O₃(µg/m³) | 23.00 | 37.00 |
| CO(µg/m³) | 695.00 | 147.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Hosur averaged 90 — a 38-point (42%) gap, with Begusarai the more polluted and Hosur the cleaner of the two.
Seasonality & days
Begusarai peaks in January, while Hosur peaks in December. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Hosur was 0% Severe and 73.89999999999999% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Hosur 10 days.
Year-over-year progress
The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Hosur hit AQI 232 at SIPCOT Phase-1 (TNPCB) on 2022-10-25.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); 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 Begusarai's 196. That's a significant difference of 188 points.