Hourly Weather in Saku, Nagano Prefecture, Japan
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 mph
Calm
5 mph
Calm
6 mph
Light
7 mph
Light
8 mph
Light
8 mph
Light
8 mph
Light
7 mph
Light
6 mph
Light
Humidity
75%
Extremely humid
75%
Extremely humid
69%
Humid
63%
Humid
59%
Comfortable
55%
Comfortable
53%
Comfortable
53%
Comfortable
52%
Comfortable
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
1030 hPa
Very high
1030 hPa
Very high
1031 hPa
Very high
1031 hPa
Very high
1031 hPa
Very high
1030 hPa
Very high
1029 hPa
Very high
1029 hPa
Very high
1028 hPa
Very high
Clouds
1%
2%
1%
0%
0%
0%
0%
0%
0%
Dew point
34°
34°
34°
34°
35°
36°
36°
37°
37°
UV Index
0
0
0
1
2
2
2
2
1
Air quality
35
Good
34
Good
34
Good
34
Good
34
Good
35
Good
36
Good
37
Good
38
Good
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 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
0.20 μg/ft3
0.20 μg/ft3
0.19 μg/ft3
0.19 μg/ft3
0.18 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.17 μg/ft3
0.17 μg/ft3
PM25
0.14 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
NO2
1.07 ppb
1.09 ppb
1.12 ppb
1.14 ppb
0.97 ppb
0.81 ppb
0.64 ppb
0.67 ppb
0.71 ppb
SO2
0.44 ppb
0.48 ppb
0.51 ppb
0.55 ppb
0.54 ppb
0.53 ppb
0.52 ppb
0.55 ppb
0.57 ppb
CO
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.11 ppb
0.11 ppb
0.11 ppb
O3
35.9 ppb
36.3 ppb
36.7 ppb
37.1 ppb
39.1 ppb
41.1 ppb
43.1 ppb
43.6 ppb
44.2 ppb