Bihar Sharif vs Sagar
Side-by-side air quality comparison between Bihar Sharif and Sagar.
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 | Sagar |
|---|---|---|
| PM2.5(µg/m³) | 74.50 | 25.90 |
| PM10(µg/m³) | 82.20 | 49.60 |
| NO₂(µg/m³) | 35.60 | 14.50 |
| SO₂(µg/m³) | 13.00 | 3.20 |
| O₃(µg/m³) | 31.00 | 48.00 |
| CO(µg/m³) | 620.00 | 223.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bihar Sharif averaged an AQI of 115 while Sagar averaged 96 — a 19-point (20%) gap, with Bihar Sharif the more polluted and Sagar the cleaner of the two. On 549 days when both cities reported, Sagar was cleaner on 366 of them; the average daily gap was 84 AQI points.
Seasonality & days
Bihar Sharif peaks in December, while Sagar peaks in November. Bihar Sharif logged 1% Severe days and 39.1% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Sagar 57 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); Sagar spans 2 stations with a 45-point spread (min 73, max 118).
Verdict
🏆 Sagar has better air quality with an AQI of 50 compared to Bihar Sharif's 149. That's a significant difference of 99 points.