Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町) Air Quality
Monitoring Station
· Hakonegasaki, Japan
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
36
10pm
41
41
41
1am
41
41
53
4am
53
53
53
7am
53
53
41
10am
53
—
—
1pm
—
—
—
4pm
—
—
—
7pm
—
—
CAMS model
adj -13
54
54
54
54
54
54
66
66
66
66
66
66
54
66
Air Quality Forecast (24h)
PM2.58.6 µg/m³
✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T01:12 UTC.