Hourly Weather in Roy, Colorado, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
1 mph
Calm
4 mph
Calm
8 mph
Light
8 mph
Light
5 mph
Calm
4 mph
Calm
1 mph
Calm
2 mph
Calm
6 mph
Light
Humidity
18%
Extremely dry
29%
Very dry
31%
Dry
33%
Dry
36%
Dry
43%
Dry
40%
Dry
43%
Dry
55%
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
1014 hPa
Normal
1015 hPa
Normal
1017 hPa
Normal
1018 hPa
Normal
1018 hPa
High
1019 hPa
High
1020 hPa
High
1020 hPa
High
1022 hPa
High
Clouds
16%
6%
0%
0%
0%
1%
1%
0%
0%
Dew point
26°
32°
31°
31°
31°
32°
31°
31°
34°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
82
Moderate
55
Moderate
39
Good
38
Good
39
Good
40
Good
38
Good
35
Good
32
Good
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
1 / 5
1 / 5
1 / 5
1 / 5
2 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.28 μg/ft3
0.36 μg/ft3
0.41 μg/ft3
0.42 μg/ft3
0.41 μg/ft3
0.40 μg/ft3
0.36 μg/ft3
0.32 μg/ft3
0.29 μg/ft3
PM25
0.16 μg/ft3
0.23 μg/ft3
0.27 μg/ft3
0.28 μg/ft3
0.28 μg/ft3
0.27 μg/ft3
0.25 μg/ft3
0.22 μg/ft3
0.20 μg/ft3
NO2
7.06 ppb
12.43 ppb
17.81 ppb
17.91 ppb
18.01 ppb
18.12 ppb
15.85 ppb
13.58 ppb
11.32 ppb
SO2
0.51 ppb
0.57 ppb
0.63 ppb
0.56 ppb
0.49 ppb
0.42 ppb
0.37 ppb
0.32 ppb
0.27 ppb
CO
0.17 ppb
0.22 ppb
0.26 ppb
0.28 ppb
0.3 ppb
0.32 ppb
0.31 ppb
0.3 ppb
0.29 ppb
O3
55.34 ppb
43.35 ppb
31.35 ppb
25.98 ppb
20.6 ppb
15.23 ppb
14.3 ppb
13.37 ppb
12.44 ppb