What is the air quality trend in Tanushimarumachi-toyoki?

Over the past 8 days, Tanushimarumachi-toyoki had an average AQI of 52 based on station measurements. The worst day was 2026-10-14 with AQI 74.

How is Tanushimarumachi-toyoki air quality measured?

Air quality in Tanushimarumachi-toyoki 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 Tanushimarumachi-toyoki, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Tanushimarumachi-toyoki, Japan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 28 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	32	27–52	7.5 µg/m³	7h	30
2026-10-20	44	29–90	11.3 µg/m³	24h	29
2026-10-19	54	35–97	14.7 µg/m³	24h	28
2026-10-18	35	25–53	8.3 µg/m³	24h	29
2026-10-17	56	31–140	15.4 µg/m³	24h	27
2026-10-16	67	45–108	19.5 µg/m³	24h	25
2026-10-15	61	33–142	17.4 µg/m³	24h	26
2026-10-14	74	33–164	24.8 µg/m³	14h	23

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