What is the air quality trend in Ashibetsu?

Over the past 8 days, Ashibetsu had an average AQI of 38 based on station measurements. The worst day was 2026-09-16 with AQI 56.

How is Ashibetsu air quality measured?

Air quality in Ashibetsu 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 Ashibetsu, Japan

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

110h

PM2.5 Station

110h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-23	40	10–128	11.6 µg/m³	8h	2
2026-09-22	46	6–134	14.2 µg/m³	16h	2
2026-09-21	48	1–255	22.1 µg/m³	15h	2
2026-09-20	20	5–55	4.8 µg/m³	18h	2
2026-09-19	25	10–90	6.4 µg/m³	19h	1
2026-09-18	36	10–80	9.6 µg/m³	13h	2
2026-09-17	39	9–124	11.5 µg/m³	20h	2
2026-09-16	56	56–56	14.5 µg/m³	1h	2

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