What is the air quality trend in Kamisu?

Over the past 8 days, Kamisu had an average AQI of 64 based on station measurements. The worst day was 2026-10-14 with AQI 85.

How is Kamisu air quality measured?

Air quality in Kamisu 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 Kamisu, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 9 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	60	22–148	19.0 µg/m³	4h	13
2026-10-20	53	26–109	14.5 µg/m³	24h	11
2026-10-19	59	33–134	16.6 µg/m³	24h	11
2026-10-18	42	23–70	10.6 µg/m³	24h	11
2026-10-17	58	32–92	15.9 µg/m³	24h	10
2026-10-16	83	37–158	27.3 µg/m³	24h	8
2026-10-15	75	32–160	24.1 µg/m³	24h	10
2026-10-14	85	37–182	31.2 µg/m³	17h	9

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