Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町) Air Quality

Monitoring Station · Hakonegasaki, Japan
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
21 8am
19
19
19 11am
19
19
17 2pm
17
17
17 5pm
17
17
17 8pm
17
17
— 11pm
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—
— 2am
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— 5am
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CAMS model adj -8
25
27
27
27
27
27
25
25
25
25
25
25
25
25
25

Air Quality Forecast (24h)

PM2.55.0 µg/m³ ✓ WHO
Good
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51
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17
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21
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30
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21
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9
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12.0 km PM2.5: 2.2 µg/m³
33
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13
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Nearby Cities

22 Hakonegasaki 22 Hamura 22 Fussa 23 Yokota 21 Iruma 23 Akishima 23 Musashimurayama 21 Ōme 21 Hannō

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T11:13 UTC.