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.
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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
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.