What is the air quality trend in Wakimachi?

Over the past 8 days, Wakimachi had an average AQI of 48 based on station measurements. The worst day was 2026-10-14 with AQI 63.

How is Wakimachi air quality measured?

Air quality in Wakimachi 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 Wakimachi, Japan

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

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

105

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 8 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	34	25–45	8.2 µg/m³	11h	14
2026-10-20	40	26–62	9.9 µg/m³	24h	13
2026-10-19	47	31–72	11.8 µg/m³	24h	13
2026-10-18	36	21–54	8.8 µg/m³	24h	13
2026-10-17	53	31–144	14.3 µg/m³	24h	12
2026-10-16	57	39–124	15.8 µg/m³	24h	11
2026-10-15	61	30–167	18.8 µg/m³	24h	12
2026-10-14	63	18–154	20.4 µg/m³	10h	12

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