Hibiyakoen, Chiyoda, Tokyo, Japan (日比谷交差点千代田区) Air Quality
Monitoring Station
· Chūō, Japan
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
13
8am
33
33
33
11am
13
33
33
2pm
13
13
6
5pm
6
4
4
8pm
6
13
—
11pm
—
—
—
2am
—
—
—
5am
—
—
CAMS model
adj -21
34
54
54
54
34
54
54
34
34
27
27
25
25
27
34
Air Quality Forecast (24h)
PM2.54.1 µg/m³
✓ WHO
Good
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Hibiyakoen, Chiyoda, Tokyo, Japan (日比谷交差点千代田区)
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T11:15 UTC.