What is the air quality trend in Samāstipur?

Over the past 15 days, Samāstipur had an average AQI of 81 based on station measurements. The worst day was 2026-05-15 with AQI 110.

How is Samāstipur air quality measured?

Air quality in Samāstipur 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 Samāstipur, India

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

318h

PM2.5 Station

318h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	55	18–87	15.3 µg/m³	14h	3
2026-05-28	60	14–197	21.6 µg/m³	22h	3
2026-05-27	78	17–161	26.3 µg/m³	24h	3
2026-05-26	85	18–188	31.5 µg/m³	23h	3
2026-05-25	93	2–319	50.0 µg/m³	24h	3
2026-05-24	102	10–439	46.8 µg/m³	23h	4
2026-05-23	100	32–170	35.9 µg/m³	22h	4
2026-05-22	97	13–163	34.1 µg/m³	22h	3
2026-05-21	98	16–190	41.0 µg/m³	24h	3
2026-05-20	75	8–151	24.5 µg/m³	24h	3
2026-05-19	63	9–262	24.7 µg/m³	23h	2
2026-05-18	88	17–240	34.1 µg/m³	22h	3
2026-05-17	56	10–159	17.9 µg/m³	20h	2
2026-05-16	65	4–155	20.1 µg/m³	23h	3
2026-05-15	110	52–178	47.0 µg/m³	8h	5

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