What is the air quality trend in Awaji?

Over the past 8 days, Awaji had an average AQI of 57 based on station measurements. The worst day was 2026-10-14 with AQI 74.

How is Awaji air quality measured?

Air quality in Awaji 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 Awaji, Japan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 61 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	39	32–52	9.4 µg/m³	7h	56
2026-10-20	49	35–79	12.4 µg/m³	24h	55
2026-10-19	55	40–84	14.6 µg/m³	24h	53
2026-10-18	39	30–65	9.6 µg/m³	24h	55
2026-10-17	60	38–83	16.9 µg/m³	24h	55
2026-10-16	72	41–163	22.8 µg/m³	24h	48
2026-10-15	73	44–136	22.6 µg/m³	24h	56
2026-10-14	74	27–121	23.7 µg/m³	14h	46

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