Chapra vs Muzaffarpur
Side-by-side air quality comparison between Chapra 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 | Chapra | Muzaffarpur |
|---|---|---|
| PM2.5(µg/m³) | 102.90 | 120.60 |
| PM10(µg/m³) | 117.10 | 135.00 |
| NO₂(µg/m³) | 42.70 | 48.60 |
| SO₂(µg/m³) | 15.30 | 19.60 |
| O₃(µg/m³) | 46.00 | 54.00 |
| CO(µg/m³) | 805.00 | 873.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chapra averaged an AQI of 149 while Muzaffarpur averaged 151 — a 2-point (1%) gap, with Muzaffarpur the more polluted and Chapra the cleaner of the two. On 959 days when both cities reported, Chapra was cleaner on 527 of them; the average daily gap was 47 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Muzaffarpur 26 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).
Verdict
🏆 Chapra has better air quality with an AQI of 244 compared to Muzaffarpur's 301. That's a significant difference of 57 points.