古河市役所 Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

古河市役所

Shimoono, Ibaraki Prefecture

2026-08-09 23:00

AQI (US)

Good

PM2.5

μg/m³

4

O3

μg/m³

27.9

NO2

μg/m³

6.2

SO2

μg/m³

2.9

Weather

27℃

69%

9 kph

0 of 11

Historical Data

Data Sources

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

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