Bihar Sharif vs Gaya
Side-by-side air quality comparison between Bihar Sharif and Gaya.
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 | Gaya |
|---|---|---|
| PM2.5(µg/m³) | 71.90 | 61.20 |
| PM10(µg/m³) | 79.40 | 73.80 |
| NO₂(µg/m³) | 27.20 | 16.60 |
| SO₂(µg/m³) | 14.60 | 13.20 |
| O₃(µg/m³) | 64.00 | 86.00 |
| CO(µg/m³) | 543.00 | 309.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bihar Sharif averaged an AQI of 115 while Gaya averaged 110 — a 5-point (5%) gap, with Bihar Sharif the more polluted and Gaya the cleaner of the two. On 900 days when both cities reported, Bihar Sharif was cleaner on 617 of them; the average daily gap was 64 AQI points.
Seasonality & days
Bihar Sharif peaks in December, while Gaya peaks in January. Bihar Sharif logged 1% Severe days and 39.1% Good-or-Satisfactory days; Gaya was 1.7% Severe and 32% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Gaya 52 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Gaya has improved by 89 AQI points (44.7%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Gaya hit AQI 500 at Collectorate (BSPCB) on 2016-10-15.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); Gaya spans 3 stations with a 85-point spread (min 88, max 173).
Verdict
🏆 Gaya has better air quality with an AQI of 105 compared to Bihar Sharif's 140.