Bihar Sharif vs Saharsa
Side-by-side air quality comparison between Bihar Sharif 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 | Bihar Sharif | Saharsa |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 99.90 |
| PM10(µg/m³) | 79.40 | 105.70 |
| NO₂(µg/m³) | 27.20 | 26.10 |
| SO₂(µg/m³) | 14.60 | 13.00 |
| O₃(µg/m³) | 64.00 | 62.00 |
| CO(µg/m³) | 543.00 | 670.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bihar Sharif averaged an AQI of 115 while Saharsa averaged 139 — a 24-point (21%) gap, with Saharsa the more polluted and Bihar Sharif the cleaner of the two. On 731 days when both cities reported, Bihar Sharif was cleaner on 486 of them; the average daily gap was 75 AQI points.
Seasonality & days
Bihar Sharif peaks in December, while Saharsa peaks in January. Bihar Sharif logged 1% Severe days and 39.1% Good-or-Satisfactory days; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Saharsa 20 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).
Verdict
🏆 Bihar Sharif has better air quality with an AQI of 140 compared to Saharsa's 234. That's a significant difference of 94 points.