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