Bihar Sharif vs Patna
Side-by-side air quality comparison between Bihar Sharif and Patna.
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 | Patna |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 97.80 |
| PM10(µg/m³) | 79.40 | 109.40 |
| NO₂(µg/m³) | 27.20 | 40.50 |
| SO₂(µg/m³) | 14.60 | 18.90 |
| O₃(µg/m³) | 64.00 | 52.00 |
| CO(µg/m³) | 543.00 | 667.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bihar Sharif averaged an AQI of 115 while Patna averaged 172 — a 57-point (50%) gap, with Patna the more polluted and Bihar Sharif the cleaner of the two. On 905 days when both cities reported, Bihar Sharif was cleaner on 816 of them; the average daily gap was 116 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; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Patna 30 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); Patna spans 6 stations with a 39-point spread (min 154, max 193).
Verdict
🏆 Bihar Sharif has better air quality with an AQI of 140 compared to Patna's 227. That's a significant difference of 87 points.