What is the air quality trend in Awaji?

Over the past 8 days, Awaji had an average AQI of 53 based on station measurements. The worst day was 2026-09-01 with AQI 66.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 34 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	40	23–68	10.6 µg/m³	12h	36
2026-09-04	47	20–101	12.8 µg/m³	24h	38
2026-09-03	47	20–85	12.5 µg/m³	24h	34
2026-09-02	59	21–124	17.0 µg/m³	24h	36
2026-09-01	66	31–161	20.5 µg/m³	24h	35
2026-08-31	57	32–89	15.9 µg/m³	24h	36
2026-08-30	57	33–104	16.5 µg/m³	24h	40
2026-08-29	55	40–78	14.9 µg/m³	9h	38

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