Bettiah vs Hisar
Side-by-side air quality comparison between Bettiah and Hisar.
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 Hisar averaged 136 — a 9-point (7%) gap, with Hisar the more polluted and Bettiah the cleaner of the two. On 459 days when both cities reported, Bettiah was cleaner on 248 of them; the average daily gap was 69 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Hisar was 1.6% Severe and 29.700000000000003% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Hisar 34 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Hisar has improved by 39 AQI points (22.3%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Hisar hit AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Hisar spans 1 stations with a 0-point spread (min 168, max 168).