Nagano (長野) Air Quality

Monitoring Station · Nagano, Japan
76
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
71 10pm
76
73
71 1am
71
71
71 4am
71
73
73 7am
73
73
73 10am
80
—
— 1pm
—
—
— 4pm
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— 7pm
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Station readings
76
CAMS model adj +46
25
27
27
25
25
25
25
25
27
27
27
27
27
34

Air Quality Forecast (24h)

PM2.524.0 µg/m³ ×1.6 WHO
Moderate
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Nearby Monitoring Stations

65
Nagano (長野)
0.0 km PM2.5: 18.8 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

74 Nagano 69 Suzaka 71 Chikuma 74 Nakano 70 Sakaki 46 Iiyama 65 Ueda 72 Ōmachi 62 Tōmi

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T01:23 UTC.