What is the air quality trend in Maebaru-chūō?

Over the past 8 days, Maebaru-chūō had an average AQI of 43 based on station measurements. The worst day was 2026-10-16 with AQI 56.

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

165h

PM2.5 Station

165h · 41 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	33	28–42	8.0 µg/m³	10h	34
2026-10-20	41	28–56	9.9 µg/m³	24h	30
2026-10-19	42	28–67	10.2 µg/m³	24h	30
2026-10-18	35	24–50	8.5 µg/m³	24h	33
2026-10-17	50	37–92	13.0 µg/m³	24h	32
2026-10-16	56	33–107	15.1 µg/m³	24h	28
2026-10-15	43	30–92	10.9 µg/m³	24h	28
2026-10-14	44	25–91	11.6 µg/m³	11h	30

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