What is the air quality trend in Yatsuomachi-higashikumisaka?

Over the past 3 days, Yatsuomachi-higashikumisaka had an average AQI of 38 based on station measurements. The worst day was 2026-10-19 with AQI 41.

How is Yatsuomachi-higashikumisaka air quality measured?

Air quality in Yatsuomachi-higashikumisaka 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 Yatsuomachi-higashikumisaka, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Yatsuomachi-higashikumisaka, Japan.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

44h

PM2.5 Station

44h · 4 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	34	22–47	8.3 µg/m³	8h	4
2026-10-20	39	17–70	9.6 µg/m³	24h	4
2026-10-19	41	25–58	10.1 µg/m³	12h	4

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