Arrah vs Begusarai
Side-by-side air quality comparison between Arrah and Begusarai.
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 | Arrah | Begusarai |
|---|---|---|
| PM2.5(µg/m³) | 90.30 | 81.70 |
| PM10(µg/m³) | 108.00 | 93.60 |
| NO₂(µg/m³) | 30.10 | 27.20 |
| SO₂(µg/m³) | 16.70 | 18.70 |
| O₃(µg/m³) | 89.00 | 116.00 |
| CO(µg/m³) | 722.00 | 593.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Begusarai averaged 128 — a 5-point (4%) gap, with Begusarai the more polluted and Arrah the cleaner of the two. On 253 days when both cities reported, Arrah was cleaner on 213 of them; the average daily gap was 82 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Begusarai was 8.7% Severe and 20.8% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Begusarai 14 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Begusarai has improved by 137 AQI points (51.7%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Begusarai hit AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Begusarai spans 1 stations with a 0-point spread (min 213, max 213).
Verdict
🏆 Begusarai has better air quality with an AQI of 173 compared to Arrah's 202.