檜原測定所 Air Quality

Monitoring Station · Itsukaichi, Japan
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
51 9pm
61
51
51 12am
51
51
51 3am
63
63
63 6am
63
63
63 9am
51
—
— 12pm
—
—
— 3pm
—
—
— 6pm
—
—
Station readings
61
CAMS model adj -3
54
54
54
54
54
54
54
66
66
66
66
66
66
54
97.5%
Humidity

Air Quality Forecast (24h)

PM2.517.0 µg/m³ ×1.1 WHO
Moderate
PM1030.0 µg/m³
Good
View city history →

Gas Pollutants

O₃
3.0
µg/m³
NO₂
1.0
µg/m³
SO₂
0.0
µg/m³

Nearby Monitoring Stations

11
Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)
13.4 km PM2.5: 2.6 µg/m³
74
八王子市大楽寺町
14.4 km PM2.5: 23.0 µg/m³
55
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
16.4 km PM2.5: 14.0 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
68
Hachioji (八王子)
16.5 km PM2.5: 20.2 µg/m³
70
Tatemachi, Hachioji, Tokyo, Japan (八王子市館町八王子市)
17.1 km PM2.5: 21.1 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

59 Itsukaichi 58 Akiruno 58 Iwai 58 Ōme 58 Uenohara 27 Fussa 48 Hamura 59 Hachiōji 52 Hakonegasaki

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T00:22 UTC.