What is the air quality trend in Okunoya?

Over the past 15 days, Okunoya had an average AQI of 53 based on station measurements. The worst day was 2026-10-14 with AQI 87.

How is Okunoya air quality measured?

Air quality in Okunoya 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 Okunoya, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 13 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-22	28	18–53	6.8 µg/m³	16h	12
2026-10-21	33	23–45	7.9 µg/m³	24h	15
2026-10-20	55	24–159	16.0 µg/m³	24h	14
2026-10-19	51	31–95	13.8 µg/m³	24h	12
2026-10-18	36	22–83	9.0 µg/m³	24h	13
2026-10-17	53	30–106	14.9 µg/m³	24h	13
2026-10-16	69	33–136	20.8 µg/m³	24h	12
2026-10-15	71	32–191	24.3 µg/m³	24h	13
2026-10-14	87	35–173	30.6 µg/m³	24h	12
2026-10-13	75	38–155	23.6 µg/m³	24h	13
2026-10-12	48	26–84	12.8 µg/m³	24h	14
2026-10-11	64	43–125	18.4 µg/m³	24h	13
2026-10-10	48	22–77	12.6 µg/m³	24h	15
2026-10-09	54	23–134	15.2 µg/m³	24h	15
2026-10-08	31	28–35	7.5 µg/m³	6h	21

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