What is the air quality trend in Kamojimachō-jōgejima?

Over the past 8 days, Kamojimachō-jōgejima had an average AQI of 40 based on station measurements. The worst day was 2026-10-16 with AQI 46.

How is Kamojimachō-jōgejima air quality measured?

Air quality in Kamojimachō-jōgejima 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 Kamojimachō-jōgejima, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Kamojimachō-jōgejima, Japan.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 20 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	40	32–50	9.7 µg/m³	7h	19
2026-10-20	39	28–55	9.3 µg/m³	24h	16
2026-10-19	38	27–54	9.1 µg/m³	24h	16
2026-10-18	37	24–63	9.1 µg/m³	24h	16
2026-10-17	43	29–55	10.3 µg/m³	24h	17
2026-10-16	46	32–61	11.4 µg/m³	24h	15
2026-10-15	37	27–63	8.9 µg/m³	24h	16
2026-10-14	40	22–148	11.1 µg/m³	14h	14

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