Begusarai vs Bettiah
Side-by-side air quality comparison between Begusarai and Bettiah.
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 | Bettiah |
|---|---|---|
| PM2.5(µg/m³) | 93.40 | 105.00 |
| PM10(µg/m³) | 103.60 | 116.60 |
| NO₂(µg/m³) | 41.50 | 41.60 |
| SO₂(µg/m³) | 17.90 | 13.00 |
| O₃(µg/m³) | 64.00 | 55.00 |
| CO(µg/m³) | 637.00 | 1389.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Bettiah averaged 127 — a 1-point (1%) gap, with Begusarai the more polluted and Bettiah the cleaner of the two. On 259 days when both cities reported, Bettiah was cleaner on 187 of them; the average daily gap was 68 AQI points.
Seasonality & days
Begusarai peaks in January, while Bettiah peaks in November. Begusarai logged 8.7% Severe days and 20.8% Good-or-Satisfactory days; Bettiah was 3.2% Severe and 32.3% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Bettiah 20 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Bettiah has improved by 73 AQI points (36.5%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Bettiah hit AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Bettiah spans 1 stations with a 0-point spread (min 173, max 173).
Verdict
🏆 Begusarai has better air quality with an AQI of 212 compared to Bettiah's 251.