What is the air quality trend in Shisui?

Over the past 8 days, Shisui had an average AQI of 46 based on station measurements. The worst day was 2026-10-14 with AQI 62.

How is Shisui air quality measured?

Air quality in Shisui 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 Shisui, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 67 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	31	28–34	7.4 µg/m³	15.2	7h	71
2026-10-20	45	28–86	11.3 µg/m³	18.0	24h	64
2026-10-19	47	33–66	11.6 µg/m³	13.6	24h	62
2026-10-18	36	25–50	8.6 µg/m³	9.2	24h	69
2026-10-17	46	33–57	11.1 µg/m³	10.5	24h	63
2026-10-16	59	43–100	16.1 µg/m³	15.7	24h	54
2026-10-15	48	34–82	12.5 µg/m³	11.6	24h	59
2026-10-14	62	20–131	18.7 µg/m³	7.5	14h	53

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