What is the air quality trend in Sītāmarhi?

Over the past 3 days, Sītāmarhi had an average AQI of 138 based on station measurements. The worst day was 2026-06-08 with AQI 142.

How is Sītāmarhi air quality measured?

Air quality in Sītāmarhi 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 Sītāmarhi, India

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

47h

PM2.5 Station

47h · 2 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	140	136–143	51.4 µg/m³	76.2	3h	3
2026-06-08	142	98–178	60.5 µg/m³	93.0	24h	3
2026-06-07	133	84–168	54.8 µg/m³	78.6	20h	2

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