Nagano (長野) Air Quality

Monitoring Station · Nagano, Japan
65
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
65 12am
77
77
77 3am
77
77
79 6am
79
79
79 9am
79
86
86 12pm
106
—
— 3pm
—
—
— 6pm
—
—
— 9pm
—
—
CAMS model adj +52
27
25
25
25
25
25
27
27
27
27
27
34
34
54

Air Quality Forecast (24h)

PM2.518.8 µg/m³ ×1.3 WHO
Moderate
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Nearby Monitoring Stations

68
Nagano (長野)
0.0 km PM2.5: 20.2 µg/m³
25
Amori, Nagano, Nagano, Japan (環境保全研究所長野市)
2.4 km PM2.5: 6.0 µg/m³
6
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
9.3 km PM2.5: 1.4 µg/m³
8
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
9.3 km PM2.5: 1.9 µg/m³

Nearby Cities

26 Nagano 63 Suzaka 25 Chikuma 40 Nakano 25 Sakaki 40 Iiyama 63 Ueda 87 Ōmachi 63 Tōmi

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T03:18 UTC.