What is the air quality trend in Kajiya?

Over the past 8 days, Kajiya had an average AQI of 37 based on station measurements. The worst day was 2026-08-30 with AQI 49.

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

166h

PM2.5 Station

166h · 15 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	28	18–64	6.9 µg/m³	19h	35
2026-09-04	27	14–69	6.6 µg/m³	24h	34
2026-09-03	26	15–59	6.3 µg/m³	24h	29
2026-09-02	43	20–145	12.5 µg/m³	24h	29
2026-09-01	39	23–71	9.9 µg/m³	24h	30
2026-08-31	48	24–156	13.5 µg/m³	24h	24
2026-08-30	49	24–162	14.0 µg/m³	24h	29
2026-08-29	38	28–47	9.2 µg/m³	3h	21

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