What is the air quality trend in Kodaira?

Over the past 8 days, Kodaira had an average AQI of 30 based on station measurements. The worst day was 2026-08-01 with AQI 102.

How is Kodaira air quality measured?

Air quality in Kodaira 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 Kodaira, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

117h

PM2.5 Station

117h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	19	19–19	4.5 µg/m³	—	1h	3
2026-08-07	8	1–18	1.8 µg/m³	1.3	5h	1
2026-08-06	10	1–40	2.4 µg/m³	2.9	15h	1
2026-08-05	20	1–39	4.9 µg/m³	5.6	18h	1
2026-08-04	27	6–64	6.5 µg/m³	6.7	24h	1
2026-08-03	19	5–39	4.5 µg/m³	5.2	23h	1
2026-08-02	36	1–103	10.7 µg/m³	11.8	17h	1
2026-08-01	102	68–121	35.7 µg/m³	42.3	14h	1

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