What is the air quality trend in Mibu?

Over the past 8 days, Mibu had an average AQI of 46 based on station measurements. The worst day was 2026-10-16 with AQI 58.

How is Mibu air quality measured?

Air quality in Mibu 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 Mibu, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 21 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	34	25–39	8.0 µg/m³	6h	27
2026-10-20	45	27–99	11.9 µg/m³	24h	23
2026-10-19	49	32–128	13.1 µg/m³	24h	22
2026-10-18	38	24–62	9.3 µg/m³	24h	24
2026-10-17	47	25–89	12.3 µg/m³	24h	23
2026-10-16	58	34–126	16.0 µg/m³	24h	21
2026-10-15	54	35–105	14.6 µg/m³	24h	21
2026-10-14	44	30–72	11.4 µg/m³	15h	20

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