What is the air quality trend in Konan?

Over the past 8 days, Konan had an average AQI of 54 based on station measurements. The worst day was 2026-07-22 with AQI 64.

How is Konan air quality measured?

Air quality in Konan 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 Konan, Japan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 13 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	64	64–64	18.2 µg/m³	1h	13
2026-07-21	56	44–70	14.8 µg/m³	24h	17
2026-07-20	53	42–62	13.2 µg/m³	24h	21
2026-07-19	50	40–117	12.7 µg/m³	24h	26
2026-07-18	46	31–59	11.3 µg/m³	24h	30
2026-07-17	54	39–69	13.8 µg/m³	24h	26
2026-07-16	56	43–62	14.3 µg/m³	24h	23
2026-07-15	55	47–61	13.9 µg/m³	23h	24

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