Mashimamachi Mashima Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

Mashimamachi Mashima

Nagano, Nagano Prefecture

2026-01-21 02:00

AQI (US)

Good

PM2.5

μg/m³

5

Weather

1℃

48%

6 kph

2 of 11

Historical Data

Data Sources

http://soramame.taiki.go.jp/

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