Bhagalpur vs Darbhanga
Side-by-side air quality comparison between Bhagalpur and Darbhanga.
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 | Bhagalpur | Darbhanga |
|---|---|---|
| PM2.5(µg/m³) | 56.20 | 100.60 |
| PM10(µg/m³) | 62.60 | 113.20 |
| NO₂(µg/m³) | 14.10 | 27.00 |
| SO₂(µg/m³) | 24.00 | 18.40 |
| O₃(µg/m³) | 121.00 | 114.00 |
| CO(µg/m³) | 527.00 | 651.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhagalpur averaged an AQI of 164 while Darbhanga averaged 365 — a 201-point (123%) gap, with Darbhanga the more polluted and Bhagalpur the cleaner of the two. On 377 days when both cities reported, Darbhanga was cleaner on 217 of them; the average daily gap was 50 AQI points.
Seasonality & days
Bhagalpur peaks in January, while Darbhanga peaks in December. Bhagalpur logged 1.9% Severe days and 19.9% Good-or-Satisfactory days; Darbhanga was 7.1% Severe and 26.9% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Darbhanga 20 days.
Year-over-year progress
Bhagalpur has improved by 123 AQI points (42.9%) from 2021 to 2024; Darbhanga has worsened by 116 AQI points (46.6%) over the same window. The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Darbhanga hit AQI 473 at Town Hall Lal Bagh (BSPCB) on 2023-01-01.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); Darbhanga spans 1 stations with a 0-point spread (min 208, max 208).
Verdict
🏆 Bhagalpur has better air quality with an AQI of 94 compared to Darbhanga's 236. That's a significant difference of 142 points.