What is the air quality trend in Yokota?

Over the past 8 days, Yokota had an average AQI of 29 based on station measurements. The worst day was 2026-08-01 with AQI 101.

How is Yokota air quality measured?

Air quality in Yokota 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 Yokota, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

122h

PM2.5 Station

122h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	19	19–19	4.6 µg/m³	—	1h	3
2026-08-07	5	1–18	1.3 µg/m³	1.3	4h	1
2026-08-06	10	1–40	2.4 µg/m³	2.9	15h	1
2026-08-05	20	1–39	4.9 µg/m³	5.6	18h	1
2026-08-04	27	6–64	6.5 µg/m³	6.7	24h	1
2026-08-03	19	5–39	4.5 µg/m³	5.2	23h	1
2026-08-02	36	1–103	10.7 µg/m³	11.8	17h	1
2026-08-01	101	68–121	35.3 µg/m³	41.7	20h	1

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