Hourly Weather in Arai, Niigata Prefecture, Japan
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 mph
Calm
4 mph
Calm
9 mph
Light
9 mph
Light
9 mph
Light
11 mph
Breezy
10 mph
Breezy
12 mph
Breezy
12 mph
Breezy
Humidity
78%
Extremely humid
75%
Extremely humid
77%
Extremely humid
75%
Extremely humid
62%
Humid
52%
Comfortable
42%
Dry
38%
Dry
35%
Dry
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
1014 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
Clouds
14%
35%
90%
66%
50%
100%
99%
94%
98%
Dew point
33°
32°
33°
32°
32°
30°
28°
27°
27°
UV Index
0
0
0
0
1
1
3
3
4
Air quality
43
Good
44
Good
44
Good
45
Good
45
Good
46
Good
46
Good
47
Good
47
Good
Pollen index
Tree
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
3 / 5
3 / 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
0.04 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
PM25
0.03 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
NO2
0.7 ppb
0.7 ppb
0.6 ppb
0.7 ppb
0.8 ppb
0.9 ppb
0.7 ppb
0.6 ppb
0.4 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.4 ppb
0.5 ppb
0.6 ppb
0.6 ppb
0.7 ppb
0.7 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
46 ppb
47 ppb
47.6 ppb
48.3 ppb
48.8 ppb
49.2 ppb
49.7 ppb
50.1 ppb
50.7 ppb