Ichihara (市原) Air Quality
Monitoring Station
· Ichihara, Japan
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
73
11am
56
17
24
2pm
24
24
24
5pm
24
24
24
8pm
24
24
24
11pm
44
44
—
2am
—
—
—
5am
—
—
—
8am
—
—
CAMS model
adj -10
83
66
27
34
34
34
34
34
34
34
34
34
34
54
54
Air Quality Forecast (24h)
PM2.510.1 µg/m³
✓ WHO
Good
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36
Ichihara (市原)
42
Ichihara (市原)
50
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52
Goichuonishi, Ichihara, Chiba, Japan (市原五井市原市)
13
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Yawata, Ichihara, Chiba, Japan (市原八幡市原市)
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T14:49 UTC.