Hourly Weather in Nagano Shi, Nagano Prefecture, Japan
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 mph
Calm
5 mph
Calm
2 mph
Calm
2 mph
Calm
1 mph
Calm
1 mph
Calm
2 mph
Calm
3 mph
Calm
4 mph
Calm
Humidity
86%
Extremely humid
83%
Extremely humid
85%
Extremely humid
82%
Extremely humid
84%
Extremely humid
90%
Extremely humid
90%
Extremely humid
93%
Extremely humid
96%
Extremely humid
Visibility
3 mi
Fair
9 mi
Good
10 mi
Good
10 mi
Good
8 mi
Good
10 mi
Good
4 mi
Fair
4 mi
Fair
2 mi
Low
Pressure
1012 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1009 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1009 hPa
Low
Clouds
100%
100%
100%
100%
100%
91%
98%
100%
100%
Dew point
35°
35°
35°
35°
35°
33°
32°
32°
32°
UV Index
1
1
1
0
0
0
0
0
0
Air quality
40
Good
41
Good
41
Good
41
Good
41
Good
40
Good
38
Good
35
Good
35
Good
Pollen index
Tree
5 / 5
5 / 5
4 / 5
4 / 5
4 / 5
4 / 5
4 / 5
5 / 5
5 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
0.05 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.05 μg/ft3
0.08 μg/ft3
0.12 μg/ft3
0.15 μg/ft3
0.18 μg/ft3
PM25
0.04 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.05 μg/ft3
0.08 μg/ft3
0.12 μg/ft3
0.15 μg/ft3
0.18 μg/ft3
NO2
3 ppb
3 ppb
3 ppb
5.1 ppb
7.2 ppb
9.3 ppb
11.4 ppb
13.5 ppb
15.6 ppb
SO2
0.8 ppb
0.8 ppb
0.8 ppb
0.8 ppb
0.9 ppb
1 ppb
1.1 ppb
1.2 ppb
1.3 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
43.4 ppb
44 ppb
44.5 ppb
44.5 ppb
44.2 ppb
43.3 ppb
41.1 ppb
37.8 ppb
33.6 ppb