What is the air quality trend in Bettiah?

Over the past 15 days, Bettiah had an average AQI of 54 based on station measurements. The worst day was 2026-08-22 with AQI 81.

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.

107

Current AQI
Unhealthy for sensitive groups CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

172h

PM2.5 Station

172h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	38	17–94	11.7 µg/m³	4h	2
2026-09-04	24	5–98	6.6 µg/m³	14h	1
2026-09-03	52	9–164	17.9 µg/m³	15h	1
2026-09-02	46	5–185	16.2 µg/m³	16h	1
2026-09-01	59	5–173	22.0 µg/m³	18h	1
2026-08-31	71	24–195	31.1 µg/m³	13h	1
2026-08-30	69	17–332	36.2 µg/m³	14h	1
2026-08-29	71	14–159	24.7 µg/m³	14h	2
2026-08-28	66	38–145	19.6 µg/m³	9h	1
2026-08-27	38	5–70	10.3 µg/m³	12h	1
2026-08-26	46	5–182	18.7 µg/m³	11h	1
2026-08-25	37	9–67	9.2 µg/m³	9h	1
2026-08-24	48	17–98	13.1 µg/m³	11h	1
2026-08-23	65	21–169	24.5 µg/m³	8h	1
2026-08-22	81	25–165	32.8 µg/m³	4h	1

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