What is the air quality trend in Bettiah?

Over the past 21 days, Bettiah had an average AQI of 70 based on station measurements. The worst day was 2026-05-29 with AQI 95.

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.

152

Current AQI
Unhealthy Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

431h

PM2.5 Station

431h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	95	35–155	33.0 µg/m³	13h	2
2026-05-28	60	4–160	19.4 µg/m³	18h	2
2026-05-27	70	9–154	22.9 µg/m³	18h	2
2026-05-26	86	13–163	31.0 µg/m³	22h	2
2026-05-25	75	21–188	27.8 µg/m³	22h	2
2026-05-24	72	7–170	24.9 µg/m³	23h	2
2026-05-23	70	6–174	23.8 µg/m³	21h	2
2026-05-22	69	15–116	21.4 µg/m³	22h	2
2026-05-21	83	9–264	34.4 µg/m³	23h	3
2026-05-20	70	2–186	27.5 µg/m³	20h	2
2026-05-19	67	10–260	26.9 µg/m³	22h	2
2026-05-18	67	3–166	22.4 µg/m³	21h	2
2026-05-17	43	8–112	12.2 µg/m³	21h	2
2026-05-16	67	18–171	22.9 µg/m³	18h	3
2026-05-15	73	15–344	30.6 µg/m³	24h	3
2026-05-14	63	12–158	20.0 µg/m³	24h	3
2026-05-13	74	11–352	31.5 µg/m³	22h	2
2026-05-12	79	4–151	26.5 µg/m³	22h	3
2026-05-11	63	12–161	20.1 µg/m³	23h	3
2026-05-10	73	8–153	23.5 µg/m³	23h	3
2026-05-09	56	3–118	17.1 µg/m³	9h	2

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