What is the air quality trend in Minami-Alps?

Over the past 8 days, Minami-Alps had an average AQI of 45 based on station measurements. The worst day was 2026-10-16 with AQI 58.

How is Minami-Alps air quality measured?

Air quality in Minami-Alps 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 Minami-Alps, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Minami-Alps, Japan.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	39	25–55	9.5 µg/m³	7h	4
2026-10-20	44	19–93	11.6 µg/m³	24h	4
2026-10-19	51	21–159	14.7 µg/m³	23h	4
2026-10-18	33	19–81	8.3 µg/m³	24h	4
2026-10-17	41	25–79	10.4 µg/m³	24h	3
2026-10-16	58	11–137	16.8 µg/m³	23h	3
2026-10-15	50	21–100	13.6 µg/m³	24h	4
2026-10-14	44	12–94	12.2 µg/m³	15h	3

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