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

Monitoring Station · Koga, Japan
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
84 5am
39
21
39 8am
39
39
39 11am
39
68
68 2pm
68
68
68 5pm
51
51
— 8pm
—
—
— 11pm
—
—
— 2am
—
—
Station readings
84
21
CAMS model adj -15
66
54
54
54
54
54
54
54
83
83
83
83
83
66
66

Air Quality Trend (24h)

PM2.55.0 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

38
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
0.0 km PM2.5: 9.1 µg/m³
21
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
0.0 km PM2.5: 5.0 µg/m³
38
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
0.0 km PM2.5: 9.1 µg/m³
46
Satte, Satte, Saitama, Japan (幸手幸手市)
12.5 km PM2.5: 11.0 µg/m³
50
Satte, Satte, Saitama, Japan (幸手幸手市)
12.5 km PM2.5: 12.0 µg/m³
16
Fujiokamachiko, Tochigi, Tochigi, Japan (栃木市藤岡総合文化センター栃木市)
14.8 km PM2.5: 3.8 µg/m³
50
Fujiokamachiko, Tochigi, Tochigi, Japan (栃木市藤岡総合文化センター栃木市)
14.8 km PM2.5: 12.0 µg/m³
63
Ezura, Kuki, Saitama, Japan (久喜久喜市)
15.5 km PM2.5: 17.8 µg/m³

Nearby Cities

25 Koga 27 Nogi 36 Kurihashi 37 Sakai 35 Fujioka 40 Washinomiya 45 Satte 33 Yachiyo 30 Oyama

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T08:13 UTC.