What is the air quality trend in Hashima?

Over the past 3 days, Hashima had an average AQI of 50 based on station measurements. The worst day was with AQI .

How is Hashima air quality measured?

Air quality in Hashima 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 Hashima, Japan

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

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

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

Air Quality Index Trend

35h

PM2.5 Trend

35h · 7 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-14	55	44–71	14.5 µg/m³	21.4	13h	7
2026-04-13	58	44–69	15.7 µg/m³	20.0	14h	7
2026-04-12	38	30–42	9.1 µg/m³	12.1	8h	7

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