What is the air quality trend in Kodamachō-kodamaminami?

Over the past 8 days, Kodamachō-kodamaminami had an average AQI of 40 based on station measurements. The worst day was 2026-10-16 with AQI 48.

How is Kodamachō-kodamaminami air quality measured?

Air quality in Kodamachō-kodamaminami 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 Kodamachō-kodamaminami, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Kodamachō-kodamaminami, Japan.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 30 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	27–44	7.8 µg/m³	10h	24
2026-10-20	39	29–62	9.4 µg/m³	24h	25
2026-10-19	45	28–88	11.1 µg/m³	24h	26
2026-10-18	38	23–55	9.1 µg/m³	24h	26
2026-10-17	38	23–52	9.1 µg/m³	24h	23
2026-10-16	48	22–79	12.4 µg/m³	24h	24
2026-10-15	43	28–56	10.4 µg/m³	24h	24
2026-10-14	42	32–60	10.2 µg/m³	12h	26

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