What is the air quality trend in Maebaru-chūō?

Over the past 3 days, Maebaru-chūō had an average AQI of 40 based on station measurements. The worst day was 2026-10-19 with AQI 45.

How is Maebaru-chūō air quality measured?

Air quality in Maebaru-chūō 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 Maebaru-chūō, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Maebaru-chūō, Japan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

45h

PM2.5 Station

45h · 12 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	34	27–40	8.1 µg/m³	11h	22
2026-10-20	42	29–58	10.1 µg/m³	24h	20
2026-10-19	45	25–54	10.9 µg/m³	10h	21

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