What is the air quality trend in Oyamazaki?

Over the past 8 days, Oyamazaki had an average AQI of 61 based on station measurements. The worst day was 2026-10-14 with AQI 84.

How is Oyamazaki air quality measured?

Air quality in Oyamazaki 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 Oyamazaki, Japan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 79 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	44	29–72	11.3 µg/m³	8h	69
2026-10-20	49	31–84	12.9 µg/m³	24h	63
2026-10-19	60	36–90	17.1 µg/m³	24h	60
2026-10-18	35	27–56	8.6 µg/m³	24h	64
2026-10-17	62	34–117	18.1 µg/m³	24h	59
2026-10-16	75	50–155	23.6 µg/m³	24h	53
2026-10-15	83	45–158	27.3 µg/m³	24h	65
2026-10-14	84	31–138	27.8 µg/m³	13h	52

Back to Oyamazaki Air Quality