What is the air quality trend in Kashiwara?

Over the past 8 days, Kashiwara had an average AQI of 74 based on station measurements. The worst day was 2026-10-14 with AQI 99.

How is Kashiwara air quality measured?

Air quality in Kashiwara 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 Kashiwara, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 52 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	56	20–121	16.5 µg/m³	13h	46
2026-10-20	67	38–153	20.1 µg/m³	24h	44
2026-10-19	74	36–145	22.9 µg/m³	24h	43
2026-10-18	57	31–124	16.0 µg/m³	24h	41
2026-10-17	74	37–124	23.3 µg/m³	24h	46
2026-10-16	77	55–127	24.0 µg/m³	24h	41
2026-10-15	88	52–155	29.5 µg/m³	24h	47
2026-10-14	99	64–139	33.9 µg/m³	8h	52

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