What is the air quality trend in Wakasugi?

Over the past 8 days, Wakasugi had an average AQI of 42 based on station measurements. The worst day was 2026-10-16 with AQI 56.

How is Wakasugi air quality measured?

Air quality in Wakasugi 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 Wakasugi, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 34 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	34	25–51	8.1 µg/m³	10h	28
2026-10-20	39	26–59	9.6 µg/m³	24h	26
2026-10-19	42	27–79	10.5 µg/m³	24h	26
2026-10-18	35	24–52	8.4 µg/m³	24h	28
2026-10-17	51	31–100	13.3 µg/m³	24h	26
2026-10-16	56	28–106	15.3 µg/m³	24h	23
2026-10-15	44	24–104	11.1 µg/m³	24h	24
2026-10-14	42	22–94	11.1 µg/m³	11h	25

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