檜原測定所 Air Quality

Monitoring Station · Itsukaichi, Japan
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
17 7am
11
13
13 10am
13
13
13 1pm
11
11
11 4pm
11
11
11 7pm
11
—
— 10pm
—
—
— 1am
—
—
— 4am
—
—
CAMS model adj -14
27
25
27
27
27
27
27
25
25
25
25
25
25
25
95.4%
Humidity

Air Quality Forecast (24h)

PM2.54.0 µg/m³ ✓ WHO
Good
PM1010.0 µg/m³
Good
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Gas Pollutants

O₃
17.0
µg/m³
NO₂
0.0
µg/m³
SO₂
0.0
µg/m³

Nearby Monitoring Stations

21
八王子市大楽寺町
14.4 km PM2.5: 5.0 µg/m³
89
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
16.4 km PM2.5: 30.2 µg/m³
32
Hachioji (八王子)
16.5 km PM2.5: 7.7 µg/m³
7
Tatemachi, Hachioji, Tokyo, Japan (八王子市館町八王子市)
17.1 km PM2.5: 1.7 µg/m³
13
Tatemachi, Hachioji, Tokyo, Japan (八王子市館町八王子市)
17.1 km PM2.5: 3.1 µg/m³
17
Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)
17.9 km PM2.5: 4.1 µg/m³
21
Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)
17.9 km PM2.5: 5.0 µg/m³
13
Katakuramachi, Hachioji, Tokyo, Japan (八王子市片倉町八王子市)
19.8 km PM2.5: 3.1 µg/m³

Nearby Cities

29 Itsukaichi 32 Akiruno 33 Iwai 32 Ōme 27 Uenohara 85 Fussa 43 Hamura 26 Hachiōji 24 Hakonegasaki

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T10:04 UTC.