What is the air quality trend in Shirahamachō-usazakiminami?

Over the past 9 days, Shirahamachō-usazakiminami had an average AQI of 24 based on station measurements. The worst day was 2026-09-02 with AQI 40.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

11h

PM2.5 Station

11h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	20	20–20	4.8 µg/m³	1h	1
2026-09-03	14	14–14	3.4 µg/m³	1h	1
2026-09-02	40	40–40	9.6 µg/m³	1h	3
2026-08-31	29	29–29	7.0 µg/m³	2h	1
2026-08-30	29	29–29	7.0 µg/m³	1h	1
2026-08-29	28	22–33	6.6 µg/m³	2h	4
2026-08-27	23	23–23	5.5 µg/m³	1h	1
2026-08-24	13	13–13	3.1 µg/m³	1h	1
2026-08-23	28	28–28	6.7 µg/m³	1h	1

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