Bihar Sharif vs Hajipur
Side-by-side air quality comparison between Bihar Sharif and Hajipur.
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 | Hajipur |
|---|---|---|
| PM2.5(µg/m³) | 74.50 | 99.00 |
| PM10(µg/m³) | 82.20 | 111.80 |
| NO₂(µg/m³) | 35.60 | 49.30 |
| SO₂(µg/m³) | 13.00 | 18.10 |
| O₃(µg/m³) | 31.00 | 19.00 |
| CO(µg/m³) | 620.00 | 784.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bihar Sharif averaged an AQI of 115 while Hajipur averaged 173 — a 58-point (50%) gap, with Hajipur the more polluted and Bihar Sharif the cleaner of the two. On 866 days when both cities reported, Bihar Sharif was cleaner on 541 of them; the average daily gap was 68 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Bihar Sharif logged 1% Severe days and 39.1% Good-or-Satisfactory days; Hajipur was 0.3% Severe and 36.6% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Hajipur 36 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Hajipur has worsened by 74 AQI points (74.7%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Hajipur hit AQI 427 at Industrial Area (BSPCB) on 2024-11-12.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); Hajipur spans 1 stations with a 0-point spread (min 149, max 149).
Verdict
🏆 Bihar Sharif has better air quality with an AQI of 149 compared to Hajipur's 231. That's a significant difference of 82 points.