Hourly Weather in Arosa, Graubünden, Switzerland
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 mph
Light
4 mph
Calm
2 mph
Calm
1 mph
Calm
2 mph
Calm
2 mph
Calm
2 mph
Calm
3 mph
Calm
3 mph
Calm
Humidity
61%
Humid
60%
Humid
68%
Humid
77%
Extremely humid
77%
Extremely humid
77%
Extremely humid
77%
Extremely humid
80%
Extremely humid
84%
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
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
Clouds
99%
100%
100%
100%
100%
100%
82%
56%
43%
Dew point
41°
40°
42°
43°
41°
40°
40°
39°
38°
UV Index
1
0
0
0
0
0
0
0
0
Air quality
43
Good
42
Good
40
Good
38
Good
48
Good
54
Moderate
59
Moderate
62
Moderate
65
Moderate
Pollen index
Tree
4 / 5
4 / 5
3 / 5
3 / 5
3 / 5
3 / 5
3 / 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
0.25 μg/ft3
0.25 μg/ft3
0.23 μg/ft3
0.22 μg/ft3
0.28 μg/ft3
0.34 μg/ft3
0.40 μg/ft3
0.46 μg/ft3
0.50 μg/ft3
PM25
0.22 μg/ft3
0.22 μg/ft3
0.19 μg/ft3
0.19 μg/ft3
0.24 μg/ft3
0.31 μg/ft3
0.37 μg/ft3
0.43 μg/ft3
0.47 μg/ft3
NO2
1.5 ppb
2.5 ppb
3.5 ppb
4.6 ppb
7.9 ppb
11.2 ppb
14.5 ppb
15.8 ppb
17.1 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.5 ppb
0.7 ppb
1 ppb
1 ppb
1 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
O3
45.5 ppb
44.8 ppb
43.2 ppb
41.2 ppb
37.5 ppb
30.7 ppb
23.6 ppb
18.5 ppb
14.1 ppb