Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)

Monitoring Station · Ogawamachi, Japan
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
50 1pm
55
46
57 4pm
57
57
57 7pm
57
57
40 10pm
28
28
28 1am
28
8
— 4am
—
—
— 7am
—
—
— 10am
—
—
Station readings
50
55
46
CAMS model adj -26
66
83
83
83
83
83
83
83
83
66
54
54
54
54
34

Air Quality Trend (24h)

PM2.511.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

46
Sakurazawa, Saitama Prefecture, Japan (寄居桜沢自排大里郡寄居町)
8.6 km PM2.5: 11.0 µg/m³
25
Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
9.3 km PM2.5: 6.0 µg/m³
38
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
13.0 km PM2.5: 9.1 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
25
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
14.2 km PM2.5: 6.0 µg/m³
38
Minano, Saitama-ken, Japan (皆野秩父郡皆野町)
14.7 km PM2.5: 9.1 µg/m³
38
Haragō, Fukaya-shi, Saitama-ken, Japan (深谷原郷自排深谷市)
15.6 km PM2.5: 9.1 µg/m³
42
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
15.9 km PM2.5: 10.1 µg/m³

Nearby Cities

49 Ogawamachi 39 Ranzan 46 Yorii 36 Yamata 25 Higashi-Matsuyama 37 Kumagaya 37 Morohongō 38 Fukayachō 35 Sakado

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-24T16:58 UTC.