What is the air quality trend in Ōkuchi-shinohara?

Over the past 3 days, Ōkuchi-shinohara had an average AQI of 48 based on station measurements. The worst day was 2026-10-19 with AQI 65.

How is Ōkuchi-shinohara air quality measured?

Air quality in Ōkuchi-shinohara 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 Ōkuchi-shinohara, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Ōkuchi-shinohara, Japan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

46h

PM2.5 Station

46h · 16 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	32	20–45	7.7 µg/m³	10h	12
2026-10-20	48	21–153	13.1 µg/m³	24h	10
2026-10-19	65	30–112	19.7 µg/m³	12h	10

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