Begusarai vs Muzaffarpur
Side-by-side air quality comparison between Begusarai and Muzaffarpur.
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 | Muzaffarpur |
|---|---|---|
| PM2.5(µg/m³) | 93.40 | 120.60 |
| PM10(µg/m³) | 103.60 | 135.00 |
| NO₂(µg/m³) | 41.50 | 48.60 |
| SO₂(µg/m³) | 17.90 | 19.60 |
| O₃(µg/m³) | 64.00 | 54.00 |
| CO(µg/m³) | 637.00 | 873.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Begusarai averaged an AQI of 128 while Muzaffarpur averaged 151 — a 23-point (18%) gap, with Muzaffarpur the more polluted and Begusarai the cleaner of the two. On 342 days when both cities reported, Muzaffarpur was cleaner on 193 of them; the average daily gap was 68 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; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Begusarai 14 days, Muzaffarpur 26 days.
Year-over-year progress
Begusarai has improved by 137 AQI points (51.7%) from 2023 to 2024; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Begusarai reached AQI 469 at Lohiyanagar (BSPCB) on 2023-01-14; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.
Station-level disparity
Begusarai spans 1 CPCB stations with a 0-point spread (min 213, max 213); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).
Verdict
🏆 Begusarai has better air quality with an AQI of 212 compared to Muzaffarpur's 301. That's a significant difference of 89 points.