Bettiah vs Hassan
Side-by-side air quality comparison between Bettiah 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, Bettiah averaged an AQI of 127 while Hassan averaged 60 — a 67-point (112%) gap, with Bettiah the more polluted and Hassan the cleaner of the two. On 578 days when both cities reported, Hassan was cleaner on 530 of them; the average daily gap was 116 AQI points.
Seasonality & days
Bettiah peaks in November, while Hassan peaks in March. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Hassan was 0% Severe and 92.5% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Hassan 51 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Hassan has improved by 4 AQI points (6.2%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Hassan hit AQI 212 at BKatihalli (KSPCB) on 2024-05-11.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Hassan spans 1 stations with a 0-point spread (min 63, max 63).