Muzaffarpur vs Samastipur
Side-by-side air quality comparison between Muzaffarpur and Samastipur.
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 | Muzaffarpur | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 120.60 | 118.70 |
| PM10(µg/m³) | 135.00 | 131.30 |
| NO₂(µg/m³) | 48.60 | 48.30 |
| SO₂(µg/m³) | 19.60 | 20.10 |
| O₃(µg/m³) | 54.00 | 57.00 |
| CO(µg/m³) | 873.00 | 732.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Muzaffarpur averaged an AQI of 151 while Samastipur averaged 134 — a 17-point (13%) gap, with Muzaffarpur the more polluted and Samastipur the cleaner of the two. On 787 days when both cities reported, Samastipur was cleaner on 443 of them; the average daily gap was 56 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Muzaffarpur logged 4.5% Severe days and 30.900000000000002% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Muzaffarpur 26 days, Samastipur 9 days.
Year-over-year progress
Muzaffarpur has improved by 62 AQI points (29.1%) from 2016 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Muzaffarpur reached AQI 482 at Collectorate (BSPCB) on 2016-01-01; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Muzaffarpur spans 3 CPCB stations with a 14-point spread (min 171, max 185); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Samastipur has better air quality with an AQI of 296 compared to Muzaffarpur's 301.