What is the air quality trend in Ōkuchi-shinohara?

Over the past 3 days, Ōkuchi-shinohara had an average AQI of 33 based on station measurements. The worst day was 2026-08-06 with AQI 44.

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 CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

42h

PM2.5 Station

42h · 12 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	25	18–30	6.1 µg/m³	7h	10
2026-08-07	31	20–62	7.6 µg/m³	21h	10
2026-08-06	44	15–66	11.0 µg/m³	14h	5

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