What is the air quality trend in Mito?

Over the past 8 days, Mito had an average AQI of 48 based on station measurements. The worst day was 2026-10-16 with AQI 57.

How is Mito air quality measured?

Air quality in Mito 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 Mito, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 12 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	30	23–39	7.0 µg/m³	4h	16
2026-10-20	46	25–134	12.3 µg/m³	24h	14
2026-10-19	53	25–194	17.1 µg/m³	24h	13
2026-10-18	35	24–58	8.4 µg/m³	24h	13
2026-10-17	56	21–132	15.8 µg/m³	24h	11
2026-10-16	57	35–175	17.2 µg/m³	24h	9
2026-10-15	56	23–118	16.5 µg/m³	24h	11
2026-10-14	56	20–159	17.6 µg/m³	16h	12

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