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
—
—
1pm
—
—
—
4pm
—
—
—
7pm
—
—
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
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T01:23 UTC.