What is the air quality trend in Hanamaki?

Over the past 8 days, Hanamaki had an average AQI of 72 based on station measurements. The worst day was 2026-10-15 with AQI 121.

How is Hanamaki air quality measured?

Air quality in Hanamaki 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 Hanamaki, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

147h

PM2.5 Station

147h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	49	10–155	14.9 µg/m³	10h	3
2026-10-20	51	14–147	14.9 µg/m³	23h	2
2026-10-19	64	13–158	20.1 µg/m³	22h	3
2026-10-18	33	12–70	8.2 µg/m³	19h	2
2026-10-17	86	21–291	36.2 µg/m³	23h	3
2026-10-16	91	27–251	37.8 µg/m³	21h	3
2026-10-15	121	33–464	70.1 µg/m³	20h	3
2026-10-14	84	33–170	30.6 µg/m³	9h	3

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