What is the air quality trend in Ishioka?

Over the past 8 days, Ishioka had an average AQI of 39 based on station measurements. The worst day was 2026-08-30 with AQI 49.

How is Ishioka air quality measured?

Air quality in Ishioka 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 Ishioka, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Ishioka, Japan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 22 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	27	20–34	6.5 µg/m³	11h	29
2026-09-04	29	17–62	7.3 µg/m³	24h	27
2026-09-03	29	14–118	7.7 µg/m³	24h	24
2026-09-02	45	23–113	12.6 µg/m³	24h	24
2026-09-01	48	25–139	13.2 µg/m³	24h	25
2026-08-31	48	26–99	12.7 µg/m³	24h	20
2026-08-30	49	24–153	14.0 µg/m³	24h	23
2026-08-29	44	25–69	11.1 µg/m³	10h	20

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