What is the air quality trend in Kamojimachō-jōgejima?

Over the past 15 days, Kamojimachō-jōgejima had an average AQI of 45 based on station measurements. The worst day was 2026-10-11 with AQI 59.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 7 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	37	22–53	8.8 µg/m³	11h	10
2026-10-20	40	25–67	10.0 µg/m³	24h	10
2026-10-19	44	26–75	11.1 µg/m³	24h	10
2026-10-18	34	20–52	8.3 µg/m³	24h	10
2026-10-17	53	28–153	14.7 µg/m³	24h	9
2026-10-16	57	35–164	16.4 µg/m³	24h	9
2026-10-15	58	27–172	17.9 µg/m³	24h	9
2026-10-14	48	18–157	13.7 µg/m³	24h	9
2026-10-13	54	25–135	14.7 µg/m³	24h	9
2026-10-12	42	28–65	10.4 µg/m³	24h	9
2026-10-11	59	23–273	22.6 µg/m³	24h	8
2026-10-10	37	22–53	8.9 µg/m³	24h	9
2026-10-09	39	23–84	10.0 µg/m³	24h	9
2026-10-08	34	17–63	8.3 µg/m³	24h	11
2026-10-07	41	29–55	10.0 µg/m³	11h	10

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