What is the air quality trend in Kōge?

Over the past 15 days, Kōge had an average AQI of 43 based on station measurements. The worst day was 2026-07-22 with AQI 53.

How is Kōge air quality measured?

Air quality in Kōge 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 Kōge, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

146h

PM2.5 Station

146h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	53	21–76	15.5 µg/m³	3h	1
2026-07-21	47	11–63	12.0 µg/m³	9h	1
2026-07-20	52	3–80	14.8 µg/m³	11h	1
2026-07-19	32	9–112	8.7 µg/m³	15h	1
2026-07-18	50	13–127	14.3 µg/m³	11h	1
2026-07-17	43	13–78	11.8 µg/m³	9h	1
2026-07-16	37	14–68	9.6 µg/m³	5h	1
2026-07-15	49	9–70	13.1 µg/m³	12h	1
2026-07-14	52	42–79	13.4 µg/m³	9h	1
2026-07-13	40	11–61	9.8 µg/m³	12h	1
2026-07-12	42	10–58	10.4 µg/m³	7h	1
2026-07-11	28	14–42	6.7 µg/m³	10h	1
2026-07-10	39	21–63	9.7 µg/m³	12h	1
2026-07-09	42	26–62	10.4 µg/m³	11h	1
2026-07-08	49	23–71	12.2 µg/m³	10h	1

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