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

Saiwaicho

Nagaoka, Niigata Prefecture

2026-06-14 04:00

CAQI (Europe)

Very Low

PM2.5

μg/m³

8

NO2

μg/m³

4.1

SO2

μg/m³

2.9

Weather

30℃

53%

12 kph

3 of 11

Historical Data

Places included

長岡工業高校

Data Sources

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

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