What is the air quality trend in Yurigaoka?

Over the past 8 days, Yurigaoka had an average AQI of 55 based on station measurements. The worst day was 2026-10-14 with AQI 74.

How is Yurigaoka air quality measured?

Air quality in Yurigaoka 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 Yurigaoka, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 19 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	40	20–113	11.4 µg/m³	7h	18
2026-10-20	45	26–103	11.8 µg/m³	24h	17
2026-10-19	57	31–128	16.1 µg/m³	24h	17
2026-10-18	35	23–54	8.4 µg/m³	24h	17
2026-10-17	62	31–154	18.1 µg/m³	24h	18
2026-10-16	67	39–121	19.6 µg/m³	23h	17
2026-10-15	63	27–163	19.4 µg/m³	24h	17
2026-10-14	74	32–174	28.0 µg/m³	15h	15

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