What is the air quality trend in Ichinomiya?

Over the past 8 days, Ichinomiya had an average AQI of 40 based on station measurements. The worst day was 2026-08-01 with AQI 52.

How is Ichinomiya air quality measured?

Air quality in Ichinomiya 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 Ichinomiya, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 34 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	31	31–31	7.5 µg/m³	15.7	1h	34
2026-08-07	29	24–38	7.0 µg/m³	17.1	22h	37
2026-08-06	41	25–55	9.9 µg/m³	15.0	24h	23
2026-08-05	45	29–63	10.9 µg/m³	17.9	24h	24
2026-08-04	41	34–48	9.8 µg/m³	16.5	24h	33
2026-08-03	39	26–53	9.4 µg/m³	18.1	24h	36
2026-08-02	44	32–52	10.6 µg/m³	23.5	24h	33
2026-08-01	52	39–58	13.0 µg/m³	18.5	20h	37

Back to Ichinomiya Air Quality