Bihar Sharif vs Hassan
Side-by-side air quality comparison between Bihar Sharif and Hassan.
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 | Hassan |
|---|---|---|
| PM2.5(µg/m³) | 58.80 | 1.80 |
| PM10(µg/m³) | 87.80 | 3.20 |
| NO₂(µg/m³) | 0.60 | 1.00 |
| SO₂(µg/m³) | 8.80 | 0.70 |
| O₃(µg/m³) | 179.00 | 72.00 |
| CO(µg/m³) | 252.00 | 111.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bihar Sharif averaged an AQI of 115 while Hassan averaged 60 — a 55-point (92%) gap, with Bihar Sharif the more polluted and Hassan the cleaner of the two. On 657 days when both cities reported, Hassan was cleaner on 554 of them; the average daily gap was 95 AQI points.
Seasonality & days
Bihar Sharif peaks in December, while Hassan peaks in March. Bihar Sharif logged 1% Severe days and 39.1% Good-or-Satisfactory days; Hassan was 0% Severe and 92.5% Good-or-Satisfactory. Longest clean-air streaks: Bihar Sharif 32 days, Hassan 51 days.
Year-over-year progress
Bihar Sharif has improved by 138 AQI points (54.5%) from 2021 to 2024; Hassan has improved by 4 AQI points (6.2%) over the same window. The worst recorded day for Bihar Sharif reached AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24; Hassan hit AQI 212 at BKatihalli (KSPCB) on 2024-05-11.
Station-level disparity
Bihar Sharif spans 1 CPCB stations with a 0-point spread (min 146, max 146); Hassan spans 1 stations with a 0-point spread (min 63, max 63).
Verdict
🏆 Hassan has better air quality with an AQI of 3 compared to Bihar Sharif's 98. That's a significant difference of 95 points.