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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25
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38
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42
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25
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38
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Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-24T16:58 UTC.