Nagano (長野) Air Quality

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

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
66 10pm
68
65
66 1am
66
66
66 4am
66
68
68 7am
68
68
68 10am
75
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— 1pm
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— 4pm
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Station readings
65
CAMS model adj +41
25
27
27
25
25
25
25
25
27
27
27
27
27
34

Air Quality Forecast (24h)

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

76
Nagano (長野)
0.0 km PM2.5: 24.0 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.