Begusarai vs Bhagalpur
Side-by-side air quality comparison between Begusarai and Bhagalpur.
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 | Bhagalpur |
|---|---|---|
| PM2.5(µg/m³) | 93.40 | 56.20 |
| PM10(µg/m³) | 103.60 | 62.60 |
| NO₂(µg/m³) | 41.50 | 14.10 |
| SO₂(µg/m³) | 17.90 | 24.00 |
| O₃(µg/m³) | 64.00 | 121.00 |
| CO(µg/m³) | 637.00 | 527.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Bhagalpur averaged 164 — a 36-point (28%) gap, with Bhagalpur the more polluted and Begusarai the cleaner of the two. On 337 days when both cities reported, Bhagalpur was cleaner on 208 of them; the average daily gap was 65 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Bhagalpur was 1.9% Severe and 19.9% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Bhagalpur 20 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Bhagalpur has improved by 123 AQI points (42.9%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Bhagalpur hit AQI 451 at Mayaganj (BSPCB) on 2022-12-30.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Bhagalpur spans 2 stations with a 26-point spread (min 170, max 196).
Verdict
🏆 Bhagalpur has better air quality with an AQI of 94 compared to Begusarai's 212. That's a significant difference of 118 points.