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