Bettiah vs Muzaffarpur
Side-by-side air quality comparison between Bettiah 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 | Bettiah | Muzaffarpur |
|---|---|---|
| PM2.5(µg/m³) | 105.00 | 124.30 |
| PM10(µg/m³) | 120.60 | 140.60 |
| NO₂(µg/m³) | 51.70 | 60.50 |
| SO₂(µg/m³) | 12.10 | 18.60 |
| O₃(µg/m³) | 14.00 | 11.00 |
| CO(µg/m³) | 1646.00 | 978.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Muzaffarpur averaged 151 — a 24-point (19%) gap, with Muzaffarpur the more polluted and Bettiah the cleaner of the two. On 801 days when both cities reported, Bettiah was cleaner on 533 of them; the average daily gap was 67 AQI points.
Seasonality & days
Bettiah peaks in November, while Muzaffarpur peaks in January. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Muzaffarpur 26 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).
Verdict
🏆 Bettiah has better air quality with an AQI of 251 compared to Muzaffarpur's 304. That's a significant difference of 53 points.