What is the air quality trend in Shirahamachō-usazakiminami?

Over the past 8 days, Shirahamachō-usazakiminami had an average AQI of 53 based on station measurements. The worst day was 2026-10-16 with AQI 70.

How is Shirahamachō-usazakiminami air quality measured?

Air quality in Shirahamachō-usazakiminami 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 Shirahamachō-usazakiminami, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Shirahamachō-usazakiminami, Japan.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 26 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	41	30–56	10.0 µg/m³	7h	27
2026-10-20	46	26–118	12.2 µg/m³	24h	26
2026-10-19	52	36–111	13.9 µg/m³	24h	25
2026-10-18	33	25–50	8.0 µg/m³	24h	26
2026-10-17	54	35–100	14.4 µg/m³	24h	25
2026-10-16	70	43–147	21.2 µg/m³	24h	22
2026-10-15	62	30–158	18.4 µg/m³	24h	26
2026-10-14	68	29–140	21.0 µg/m³	14h	23

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