Darbhanga vs Samastipur
Side-by-side air quality comparison between Darbhanga 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 | Darbhanga | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 100.60 | 118.70 |
| PM10(µg/m³) | 113.20 | 131.30 |
| NO₂(µg/m³) | 27.00 | 48.30 |
| SO₂(µg/m³) | 18.40 | 20.10 |
| O₃(µg/m³) | 114.00 | 57.00 |
| CO(µg/m³) | 651.00 | 732.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2023, Darbhanga averaged an AQI of 365 while Samastipur averaged 134 — a 231-point (172%) gap, with Darbhanga the more polluted and Samastipur the cleaner of the two. On 199 days when both cities reported, Darbhanga was cleaner on 115 of them; the average daily gap was 48 AQI points.
Seasonality & days
Darbhanga peaks in December, while Samastipur peaks in January. Darbhanga logged 7.1% Severe days and 26.9% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Darbhanga 20 days, Samastipur 9 days.
Year-over-year progress
Darbhanga has worsened by 116 AQI points (46.6%) from 2021 to 2023; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Darbhanga reached AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Darbhanga spans 1 CPCB stations with a 0-point spread (min 208, max 208); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Darbhanga has better air quality with an AQI of 236 compared to Samastipur's 296. That's a significant difference of 60 points.