What is the air quality trend in Bettiah?

Over the past 8 days, Bettiah had an average AQI of 86 based on station measurements. The worst day was 2026-10-21 with AQI 108.

How is Bettiah air quality measured?

Air quality in Bettiah is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Bettiah, India

Name: Bettiah Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Bettiah, India.

120

Current AQI
Unhealthy for sensitive groups CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

120h

PM2.5 Station

120h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	108	66–153	38.4 µg/m³	3h	1
2026-10-20	90	49–154	30.2 µg/m³	16h	2
2026-10-19	77	25–152	25.3 µg/m³	15h	1
2026-10-18	91	3–185	34.7 µg/m³	18h	2
2026-10-17	67	21–153	20.6 µg/m³	19h	2
2026-10-16	92	45–166	34.2 µg/m³	15h	2
2026-10-15	86	17–345	38.9 µg/m³	19h	1
2026-10-14	78	19–172	27.6 µg/m³	15h	1

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