What is the air quality trend in Kashiwa?

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

How is Kashiwa air quality measured?

Air quality in Kashiwa 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 Kashiwa, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 103 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	30–32	7.4 µg/m³	12.6	7h	106
2026-10-20	45	31–80	11.2 µg/m³	21.2	24h	98
2026-10-19	46	35–61	11.1 µg/m³	14.3	24h	97
2026-10-18	34	26–47	8.3 µg/m³	9.8	24h	104
2026-10-17	46	37–57	11.1 µg/m³	11.7	24h	100
2026-10-16	56	40–76	14.7 µg/m³	15.3	24h	87
2026-10-15	47	34–66	11.7 µg/m³	12.2	24h	93
2026-10-14	53	25–93	14.8 µg/m³	6.3	15h	82

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