What is the air quality trend in Hashimoto?

Over the past 8 days, Hashimoto had an average AQI of 52 based on station measurements. The worst day was 2026-10-16 with AQI 67.

How is Hashimoto air quality measured?

Air quality in Hashimoto 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 Hashimoto, Japan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 31 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	38	29–50	9.0 µg/m³	10h	42
2026-10-20	50	32–96	13.1 µg/m³	24h	41
2026-10-19	50	35–78	12.7 µg/m³	24h	39
2026-10-18	37	26–61	9.0 µg/m³	24h	40
2026-10-17	52	36–86	13.5 µg/m³	24h	39
2026-10-16	67	44–151	20.1 µg/m³	24h	35
2026-10-15	64	26–152	18.6 µg/m³	24h	38
2026-10-14	63	35–102	18.3 µg/m³	11h	36

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