Hokujo, Nagano Prefecture, Japan (国設八方尾根酸性雨北安曇郡白馬村)

Monitoring Station · Ōmachi, Japan
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
29 1pm
34
42
114 4pm
114
114
131 7pm
131
131
131 10pm
114
102
102 1am
82
82
— 4am
—
—
— 7am
—
—
— 10am
—
—
Station readings
29
34
42
CAMS model adj +48
66
66
66
66
66
66
83
83
83
83
66
54
54
34
34

Air Quality Trend (24h)

PM2.510.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

57
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
28.1 km PM2.5: 15.0 µg/m³
50
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
28.1 km PM2.5: 12.0 µg/m³

Nearby Cities

38 Ōmachi 51 Chikuma 40 Nagano 42 Itoigawa 50 Sakaki 40 Hotaka 45 Suzaka 37 Nyūzen 23 Uozu

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T16:57 UTC.