Hibiyakoen, Chiyoda, Tokyo, Japan (日比谷交差点千代田区) Air Quality
Monitoring Station
· Chūō, Japan
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
25
2am
13
34
12
5am
12
12
12
8am
29
30
30
11am
29
30
30
2pm
30
92
—
5pm
—
—
—
8pm
—
—
—
11pm
—
—
Station readings
25
13
34
CAMS model
adj -54
66
66
66
66
66
66
66
83
84
84
83
84
84
84
146
Air Quality Forecast (24h)
PM2.58.2 µg/m³
✓ WHO
Good
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Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T05:25 UTC.