Bihar Sharif vs Gwalior
Side-by-side air quality comparison between Bihar Sharif and Gwalior.
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 | Gwalior |
|---|---|---|
| PM2.5(µg/m³) | 74.50 | 40.70 |
| PM10(µg/m³) | 82.20 | 97.60 |
| NO₂(µg/m³) | 35.60 | 14.70 |
| SO₂(µg/m³) | 13.00 | 5.70 |
| O₃(µg/m³) | 31.00 | 49.00 |
| CO(µg/m³) | 620.00 | 247.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bihar Sharif averaged an AQI of 115 while Gwalior averaged 136 — a 21-point (18%) gap, with Gwalior the more polluted and Bihar Sharif the cleaner of the two. On 578 days when both cities reported, Bihar Sharif was cleaner on 309 of them; the average daily gap was 71 AQI points.
Seasonality & days
Bihar Sharif peaks in December, while Gwalior peaks in November. Bihar Sharif logged 1% Severe days and 39.1% Good-or-Satisfactory days; Gwalior was 0.4% Severe and 31.5% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Gwalior 47 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Gwalior has improved by 12 AQI points (8.1%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Gwalior hit AQI 450 at City Center (MPPCB) on 2021-11-09.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); Gwalior spans 4 stations with a 53-point spread (min 112, max 165).
Verdict
🏆 Gwalior has better air quality with an AQI of 98 compared to Bihar Sharif's 149. That's a significant difference of 51 points.