Arrah vs Hassan
Side-by-side air quality comparison between Arrah 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Hassan averaged 60 — a 63-point (105%) gap, with Arrah the more polluted and Hassan the cleaner of the two. On 638 days when both cities reported, Hassan was cleaner on 585 of them; the average daily gap was 101 AQI points.
Seasonality & days
Arrah peaks in January, while Hassan peaks in March. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Hassan was 0% Severe and 92.5% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Hassan 51 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Hassan has improved by 4 AQI points (6.2%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Hassan hit AQI 212 at BKatihalli (KSPCB) on 2024-05-11.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Hassan spans 1 stations with a 0-point spread (min 63, max 63).