What is the air quality trend in Ōyanomachi-noboritate?

Over the past 8 days, Ōyanomachi-noboritate had an average AQI of 27 based on station measurements. The worst day was 2026-06-06 with AQI 33.

How is Ōyanomachi-noboritate air quality measured?

Air quality in Ōyanomachi-noboritate 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 Ōyanomachi-noboritate, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Ōyanomachi-noboritate, Japan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 28 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	32	25–38	7.7 µg/m³	4h	30
2026-06-08	26	21–32	6.3 µg/m³	24h	32
2026-06-07	25	18–32	5.9 µg/m³	24h	30
2026-06-06	33	23–45	7.9 µg/m³	24h	32
2026-06-05	29	23–35	7.0 µg/m³	24h	33
2026-06-04	29	19–40	6.9 µg/m³	24h	29
2026-06-03	26	18–40	6.3 µg/m³	24h	30
2026-06-02	23	16–29	5.6 µg/m³	19h	33

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