What is the air quality trend in Asakuchi?

Over the past 8 days, Asakuchi had an average AQI of 53 based on station measurements. The worst day was 2026-10-14 with AQI 85.

How is Asakuchi air quality measured?

Air quality in Asakuchi 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 Asakuchi, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 25 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	30	20–40	7.1 µg/m³	13.1	9h	22
2026-10-20	54	32–148	14.5 µg/m³	32.6	24h	21
2026-10-19	57	28–152	16.0 µg/m³	16.5	24h	20
2026-10-18	36	27–55	8.7 µg/m³	16.3	24h	23
2026-10-17	54	39–115	14.4 µg/m³	13.3	24h	19
2026-10-16	60	41–120	17.1 µg/m³	15.4	24h	17
2026-10-15	54	31–120	15.2 µg/m³	12.5	24h	18
2026-10-14	85	29–182	31.4 µg/m³	8.2	13h	16

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