Hassan vs Sasaram
Side-by-side air quality comparison between Hassan and Sasaram.
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 | Hassan | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 1.50 | 34.20 |
| PM10(µg/m³) | 2.60 | 57.70 |
| NO₂(µg/m³) | 1.00 | 0.70 |
| SO₂(µg/m³) | 0.70 | 5.80 |
| O₃(µg/m³) | 69.00 | 145.00 |
| CO(µg/m³) | 107.00 | 207.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hassan averaged an AQI of 60 while Sasaram averaged 109 — a 49-point (82%) gap, with Sasaram the more polluted and Hassan the cleaner of the two. On 690 days when both cities reported, Hassan was cleaner on 601 of them; the average daily gap was 90 AQI points.
Seasonality & days
Hassan peaks in March, while Sasaram peaks in January. Hassan logged 0% Severe days and 92.5% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Hassan 51 days, Sasaram 27 days.
Year-over-year progress
Hassan has improved by 4 AQI points (6.2%) from 2021 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Hassan reached AQI 212 at BKatihalli (KSPCB) on 2024-05-11; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Hassan spans 1 CPCB stations with a 0-point spread (min 63, max 63); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Hassan has better air quality with an AQI of 3 compared to Sasaram's 59. That's a significant difference of 56 points.