Hibiyakoen, Chiyoda, Tokyo, Japan (日比谷交差点千代田区) Air Quality
Monitoring Station
· Chūō, Japan
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
17
9pm
25
36
10
12am
36
36
36
3am
36
36
48
6am
48
48
65
9am
66
65
—
12pm
—
—
—
3pm
—
—
—
6pm
—
—
Station readings
17
25
10
CAMS model
adj -18
54
54
54
54
54
54
54
54
54
66
66
66
83
84
83
Air Quality Trend (24h)
PM2.52.4 µg/m³
✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:17 UTC.