檜原測定所 Air Quality

Monitoring Station · Itsukaichi, Japan
70
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
61 10pm
70
56
56 1am
56
56
68 4am
68
68
68 7am
68
68
56 10am
68
—
— 1pm
—
—
— 4pm
—
—
— 7pm
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Station readings
61
70
CAMS model adj +2
54
54
54
54
54
54
66
66
66
66
66
66
54
66
87.1%
Humidity

Air Quality Forecast (24h)

PM2.521.0 µg/m³ ×1.4 WHO
Moderate
PM1027.0 µg/m³
Good
View city history →

Gas Pollutants

O₃
10.0
µg/m³
NO₂
1.0
µg/m³
SO₂
0.0
µg/m³

Nearby Monitoring Stations

8
Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)
13.4 km PM2.5: 1.9 µg/m³
76
八王子市大楽寺町
14.4 km PM2.5: 24.0 µg/m³
23
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
16.4 km PM2.5: 5.5 µg/m³
12
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
16.4 km PM2.5: 2.9 µg/m³
78
Hachioji (八王子)
16.5 km PM2.5: 24.9 µg/m³
31
Tatemachi, Hachioji, Tokyo, Japan (八王子市館町八王子市)
17.1 km PM2.5: 7.4 µg/m³
36
Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)
17.9 km PM2.5: 8.6 µg/m³
26
Nakano, Kanagawa, Japan (津久井相模原市緑区)
18.4 km PM2.5: 6.2 µg/m³

Nearby Cities

70 Itsukaichi 69 Akiruno 68 Iwai 64 Ōme 65 Uenohara 72 Fussa 69 Hamura 81 Hachiōji 68 Hakonegasaki

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T01:20 UTC.