What is the air quality trend in Shimo-furano?

Over the past 8 days, Shimo-furano had an average AQI of 45 based on station measurements. The worst day was 2026-08-06 with AQI 61.

How is Shimo-furano air quality measured?

Air quality in Shimo-furano 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 Shimo-furano, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Shimo-furano, Japan.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

114h

PM2.5 Station

114h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	25	9–43	6.1 µg/m³	5h	2
2026-08-07	39	2–128	10.8 µg/m³	17h	2
2026-08-06	61	34–99	17.2 µg/m³	20h	2
2026-08-05	54	18–80	14.8 µg/m³	16h	2
2026-08-04	43	13–78	11.3 µg/m³	15h	2
2026-08-03	33	3–63	8.3 µg/m³	13h	2
2026-08-02	53	10–152	15.1 µg/m³	18h	2
2026-08-01	52	2–89	15.1 µg/m³	10h	2

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