Nagano (長野) Air Quality
Monitoring Station
· Nagano, Japan
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
13
9pm
23
18
23
12am
22
22
22
3am
23
23
23
6am
23
25
25
9am
25
25
—
12pm
—
—
—
3pm
—
—
—
6pm
—
—
Station readings
13
18
CAMS model
adj -2
25
25
25
25
24
24
24
25
25
25
25
27
27
27
27
Air Quality Forecast (24h)
PM2.54.3 µg/m³
✓ WHO
Good
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T00:50 UTC.