Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)

Monitoring Station · Ogawamachi, Japan
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
54 1pm
54
38
54 4pm
54
54
54 7pm
54
54
54 10pm
54
37
25 1am
25
5
— 4am
—
—
— 7am
—
—
— 10am
—
—
Station readings
38
CAMS model adj -29
83
83
83
83
83
83
83
83
83
83
83
66
54
54
34

Air Quality Trend (24h)

PM2.59.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

46
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
0.0 km PM2.5: 11.0 µg/m³
42
Yorii, Saitama, Japan (寄居大里郡寄居町)
9.2 km PM2.5: 10.1 µg/m³
30
Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
9.3 km PM2.5: 7.2 µg/m³
42
Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
9.3 km PM2.5: 10.1 µg/m³
34
Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
9.3 km PM2.5: 8.2 µg/m³
50
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
13.0 km PM2.5: 12.0 µg/m³
42
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
13.3 km PM2.5: 10.1 µg/m³
38
Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)
13.3 km PM2.5: 9.1 µg/m³

Nearby Cities

38 Ogawamachi 37 Ranzan 38 Yorii 37 Yamata 34 Higashi-Matsuyama 41 Kumagaya 45 Morohongō 31 Fukayachō 36 Sakado

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-25T16:53 UTC.