What is the air quality trend in Konan?

Over the past 8 days, Konan had an average AQI of 59 based on station measurements. The worst day was 2026-10-15 with AQI 80.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 31 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	42	33–53	10.0 µg/m³	12h	33
2026-10-20	54	34–107	14.8 µg/m³	24h	30
2026-10-19	57	32–120	15.5 µg/m³	24h	28
2026-10-18	42	27–63	10.4 µg/m³	24h	32
2026-10-17	61	34–99	17.3 µg/m³	24h	28
2026-10-16	66	38–115	19.4 µg/m³	24h	26
2026-10-15	80	37–154	25.7 µg/m³	24h	29
2026-10-14	71	35–111	22.1 µg/m³	9h	26

Back to Konan Air Quality