What is the air quality trend in Shirahamachō-usazakiminami?

Over the past 21 days, Shirahamachō-usazakiminami had an average AQI of 37 based on station measurements. The worst day was 2026-05-16 with AQI 54.

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

475h

PM2.5 Station

475h · 19 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	35	26–43	8.4 µg/m³	15h	22
2026-05-28	32	21–72	7.8 µg/m³	24h	22
2026-05-27	30	18–50	7.2 µg/m³	24h	24
2026-05-26	29	21–40	7.0 µg/m³	24h	23
2026-05-25	33	25–42	8.0 µg/m³	24h	24
2026-05-24	34	25–42	8.1 µg/m³	24h	23
2026-05-23	34	21–44	8.1 µg/m³	24h	25
2026-05-22	28	21–34	6.7 µg/m³	24h	23
2026-05-21	29	21–39	6.9 µg/m³	24h	20
2026-05-20	35	25–48	8.4 µg/m³	24h	24
2026-05-19	40	30–54	9.7 µg/m³	24h	24
2026-05-18	52	38–57	12.9 µg/m³	24h	24
2026-05-17	47	38–59	11.3 µg/m³	23h	24
2026-05-16	54	43–62	13.6 µg/m³	21h	21
2026-05-15	52	38–59	13.1 µg/m³	24h	21
2026-05-14	50	43–54	12.2 µg/m³	24h	22
2026-05-13	36	26–42	8.6 µg/m³	24h	22
2026-05-12	34	24–43	8.2 µg/m³	24h	24
2026-05-11	43	27–68	10.9 µg/m³	24h	18
2026-05-10	39	29–54	9.5 µg/m³	24h	21
2026-05-09	28	27–30	6.8 µg/m³	8h	24

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