What is the air quality trend in Kisarazu?

Over the past 8 days, Kisarazu had an average AQI of 44 based on station measurements. The worst day was 2026-10-16 with AQI 56.

How is Kisarazu air quality measured?

Air quality in Kisarazu 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 Kisarazu, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 95 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	29–32	7.4 µg/m³	15.5	7h	102
2026-10-20	45	32–67	11.1 µg/m³	21.5	24h	93
2026-10-19	46	34–62	11.4 µg/m³	14.5	24h	92
2026-10-18	34	26–48	8.2 µg/m³	10.0	24h	100
2026-10-17	46	38–59	11.2 µg/m³	12.1	24h	95
2026-10-16	56	42–86	15.0 µg/m³	15.7	24h	83
2026-10-15	49	34–76	12.5 µg/m³	12.6	24h	88
2026-10-14	51	26–102	14.1 µg/m³	6.1	14h	76

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