Hourly Weather in Nagano Shi, Nagano Prefecture, Japan
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
2 mph
Calm
1 mph
Calm
2 mph
Calm
1 mph
Calm
1 mph
Calm
2 mph
Calm
2 mph
Calm
4 mph
Calm
2 mph
Calm
Humidity
56%
Comfortable
53%
Comfortable
58%
Comfortable
59%
Comfortable
55%
Comfortable
52%
Comfortable
59%
Comfortable
70%
Extremely humid
81%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1019 hPa
High
1018 hPa
High
1017 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1017 hPa
Normal
Clouds
47%
99%
89%
30%
32%
27%
34%
38%
63%
Dew point
17°
18°
20°
22°
21°
20°
21°
20°
19°
UV Index
2
2
2
2
1
0
0
0
0
Air quality
49
Good
46
Good
43
Good
44
Good
45
Good
46
Good
46
Good
44
Good
52
Moderate
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 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
0.35 μg/ft3
0.34 μg/ft3
0.32 μg/ft3
0.30 μg/ft3
0.27 μg/ft3
0.26 μg/ft3
0.26 μg/ft3
0.29 μg/ft3
0.35 μg/ft3
PM25
0.25 μg/ft3
0.23 μg/ft3
0.21 μg/ft3
0.19 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
0.20 μg/ft3
0.27 μg/ft3
NO2
2.4 ppb
1.4 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
3.4 ppb
6.4 ppb
9.3 ppb
SO2
0.8 ppb
0.8 ppb
0.8 ppb
0.7 ppb
0.6 ppb
0.5 ppb
0.9 ppb
1.3 ppb
1.7 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
41 ppb
43.5 ppb
46.1 ppb
47.7 ppb
48.8 ppb
49.8 ppb
49.3 ppb
47.7 ppb
45.3 ppb