What is the air quality trend in Ōami?

Over the past 8 days, Ōami had an average AQI of 42 based on station measurements. The worst day was 2026-10-16 with AQI 57.

How is Ōami air quality measured?

Air quality in Ōami 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 Ōami, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 40 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	33	28–36	7.9 µg/m³	11.0	9h	49
2026-10-20	40	30–61	9.7 µg/m³	14.1	24h	43
2026-10-19	43	31–79	10.8 µg/m³	9.9	24h	42
2026-10-18	33	21–51	8.0 µg/m³	8.3	24h	48
2026-10-17	39	29–51	9.4 µg/m³	9.7	24h	41
2026-10-16	57	34–104	15.4 µg/m³	16.3	24h	35
2026-10-15	44	26–153	11.7 µg/m³	8.6	24h	37
2026-10-14	51	25–149	14.8 µg/m³	10.5	13h	35

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