Shimoono, Koga, Ibaraki, Japan (古河市役所古河市) Air Quality

Monitoring Station · Koga, Japan
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
30 5pm
20
20
20 8pm
22
22
29 11pm
29
49
49 2am
49
49
49 5am
49
49
— 8am
—
—
— 11am
—
—
— 2pm
—
—
CAMS model adj -5
25
25
25
25
27
27
34
34
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.57.2 µg/m³ ✓ WHO
Good
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34
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52
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13
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50
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52
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34
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Nearby Cities

23 Koga 24 Nogi 31 Kurihashi 29 Sakai 32 Fujioka 33 Washinomiya 30 Satte 25 Yachiyo 16 Oyama

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T20:42 UTC.