What is the air quality trend in Hitokawame?

Over the past 8 days, Hitokawame had an average AQI of 74 based on station measurements. The worst day was 2026-10-14 with AQI 129.

How is Hitokawame air quality measured?

Air quality in Hitokawame 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 Hitokawame, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

88h

PM2.5 Station

88h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	22	9–38	5.3 µg/m³	6h	1
2026-10-20	92	13–154	31.7 µg/m³	10h	1
2026-10-19	60	15–157	18.9 µg/m³	17h	1
2026-10-18	32	17–61	8.0 µg/m³	10h	1
2026-10-17	94	17–171	36.5 µg/m³	11h	1
2026-10-16	62	21–181	22.5 µg/m³	12h	1
2026-10-15	108	50–206	50.3 µg/m³	15h	1
2026-10-14	129	54–190	69.9 µg/m³	7h	1

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