Bhagalpur vs Saharsa
Side-by-side air quality comparison between Bhagalpur and Saharsa.
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 | Saharsa |
|---|---|---|
| PM2.5(µg/m³) | 61.20 | 100.60 |
| PM10(µg/m³) | 65.90 | 109.00 |
| NO₂(µg/m³) | 25.30 | 40.40 |
| SO₂(µg/m³) | 25.40 | 12.20 |
| O₃(µg/m³) | 53.00 | 21.00 |
| CO(µg/m³) | 736.00 | 719.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhagalpur averaged an AQI of 164 while Saharsa averaged 139 — a 25-point (18%) gap, with Bhagalpur the more polluted and Saharsa the cleaner of the two. On 887 days when both cities reported, Saharsa was cleaner on 542 of them; the average daily gap was 50 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bhagalpur logged 1.9% Severe days and 19.9% Good-or-Satisfactory days; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Bhagalpur 20 days, Saharsa 20 days.
Year-over-year progress
Bhagalpur has improved by 123 AQI points (42.9%) from 2021 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Bhagalpur reached AQI 451 at Mayaganj (BSPCB) on 2022-12-30; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Bhagalpur spans 2 CPCB stations with a 26-point spread (min 170, max 196); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).
Verdict
🏆 Bhagalpur has better air quality with an AQI of 105 compared to Saharsa's 236. That's a significant difference of 131 points.