What is the air quality trend in Haruta?

Over the past 7 days, Haruta had an average AQI of 35 based on station measurements. The worst day was with AQI .

How is Haruta air quality measured?

Air quality in Haruta 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 Haruta, Japan

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

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

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

92h · 7 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-11	33	32–35	7.9 µg/m³	14.1	4h	7
2026-04-10	29	14–44	6.9 µg/m³	12.8	21h	7
2026-04-09	31	23–37	7.4 µg/m³	13.2	14h	7
2026-04-08	39	34–43	9.4 µg/m³	11.0	7h	7
2026-04-07	34	18–64	8.4 µg/m³	11.9	22h	7
2026-04-06	58	51–64	15.1 µg/m³	23.8	17h	7
2026-04-04	21	9–37	5.1 µg/m³	11.6	7h	7

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