What is the air quality trend in Kajiya?

Over the past 8 days, Kajiya had an average AQI of 51 based on station measurements. The worst day was 2026-10-15 with AQI 64.

How is Kajiya air quality measured?

Air quality in Kajiya 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 Kajiya, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 43 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	33	25–40	8.0 µg/m³	10h	40
2026-10-20	48	28–94	12.5 µg/m³	24h	35
2026-10-19	54	35–92	14.3 µg/m³	24h	33
2026-10-18	37	25–54	8.8 µg/m³	24h	38
2026-10-17	51	35–75	13.3 µg/m³	24h	33
2026-10-16	63	43–132	17.9 µg/m³	24h	28
2026-10-15	64	38–104	18.8 µg/m³	24h	32
2026-10-14	59	30–87	17.3 µg/m³	11h	29

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