What is the air quality trend in Arita?

Over the past 8 days, Arita had an average AQI of 41 based on station measurements. The worst day was 2026-08-01 with AQI 51.

How is Arita air quality measured?

Air quality in Arita 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 Arita, Japan

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 20 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	29	24–34	6.9 µg/m³	2h	18
2026-08-07	34	21–52	8.1 µg/m³	23h	16
2026-08-06	50	22–80	13.1 µg/m³	23h	9
2026-08-05	41	19–63	10.1 µg/m³	24h	7
2026-08-04	41	28–63	10.0 µg/m³	24h	14
2026-08-03	42	22–59	10.1 µg/m³	24h	15
2026-08-02	42	28–63	10.3 µg/m³	24h	15
2026-08-01	51	39–60	12.7 µg/m³	19h	15

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