Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町) Air Quality
Monitoring Station
· Hakonegasaki, Japan
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
43
2am
16
25
16
5am
36
36
36
8am
36
36
48
11am
65
65
65
2pm
65
65
—
5pm
—
—
—
8pm
—
—
—
11pm
—
—
Station readings
43
25
CAMS model
adj -18
34
34
54
34
54
54
54
54
54
66
83
83
83
83
83
Air Quality Forecast (24h)
PM2.56.0 µg/m³
✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T05:45 UTC.