What is the air quality trend in Hashimoto?

Over the past 8 days, Hashimoto had an average AQI of 64 based on station measurements. The worst day was 2026-10-14 with AQI 81.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 66 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	52	29–86	14.6 µg/m³	12h	48
2026-10-20	60	35–102	16.9 µg/m³	24h	48
2026-10-19	60	38–88	16.6 µg/m³	24h	45
2026-10-18	55	28–120	15.3 µg/m³	24h	47
2026-10-17	62	38–84	17.5 µg/m³	24h	46
2026-10-16	69	53–101	20.6 µg/m³	24h	40
2026-10-15	74	45–122	23.0 µg/m³	24h	46
2026-10-14	81	44–131	26.1 µg/m³	10h	42

Back to Hashimoto Air Quality