Nagano (長野) Air Quality

Monitoring Station · Nagano, Japan
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
34 9pm
17
22
22 12am
21
21
21 3am
22
22
22 6am
22
24
24 9am
24
24
— 12pm
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—
— 3pm
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—
— 6pm
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Station readings
34
17
CAMS model adj -3
25
25
25
25
24
24
24
25
25
25
25
27
27
27
27

Air Quality Forecast (24h)

PM2.54.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

18
Nagano (長野)
0.0 km PM2.5: 4.3 µg/m³
30
Amori, Nagano, Nagano, Japan (環境保全研究所長野市)
2.4 km PM2.5: 7.2 µg/m³
60
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
9.3 km PM2.5: 16.4 µg/m³
30
Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)
9.3 km PM2.5: 7.2 µg/m³

Nearby Cities

9 Nagano 9 Suzaka 9 Chikuma 25 Nakano 9 Sakaki 25 Iiyama 15 Ueda 16 Ōmachi 18 Tōmi

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T00:49 UTC.