What is the air quality trend in Miharu?

Over the past 8 days, Miharu had an average AQI of 53 based on station measurements. The worst day was 2026-10-15 with AQI 91.

How is Miharu air quality measured?

Air quality in Miharu 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 Miharu, Japan

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

97h

PM2.5 Station

97h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	31	10–53	7.6 µg/m³	8h	1
2026-10-20	34	17–71	8.8 µg/m³	15h	1
2026-10-19	53	18–176	19.3 µg/m³	14h	1
2026-10-18	46	18–158	13.9 µg/m³	14h	1
2026-10-17	47	13–99	12.7 µg/m³	11h	1
2026-10-16	70	8–155	22.9 µg/m³	10h	1
2026-10-15	91	10–277	40.5 µg/m³	17h	1
2026-10-14	55	25–146	16.4 µg/m³	8h	1

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