Hourly Weather in Keystone, Colorado, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
13 km/h
Light
15 km/h
Light
17 km/h
Breezy
6 km/h
Calm
3 km/h
Calm
11 km/h
Light
7 km/h
Calm
8 km/h
Calm
12 km/h
Light
Humidity
32%
Dry
26%
Very dry
42%
Dry
63%
Humid
55%
Comfortable
58%
Comfortable
58%
Comfortable
64%
Humid
65%
Humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1003 hPa
Very low
1007 hPa
Low
1008 hPa
Low
1010 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1013 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
Clouds
100%
100%
99%
100%
33%
47%
99%
59%
8%
Dew point
7°
4°
7°
10°
9°
9°
9°
9°
8°
UV Index
3
1
0
0
0
0
0
0
0
Air quality
86
Moderate
85
Moderate
82
Moderate
78
Moderate
73
Moderate
69
Moderate
64
Moderate
60
Moderate
32
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
1 / 5
1 / 5
2 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
21.6 μg/m3
21.6 μg/m3
21.6 μg/m3
21.6 μg/m3
21.6 μg/m3
21.6 μg/m3
21.6 μg/m3
21.6 μg/m3
4.4 μg/m3
PM25
7.3 μg/m3
7.2 μg/m3
7.1 μg/m3
6.9 μg/m3
6.7 μg/m3
6.5 μg/m3
6.3 μg/m3
6.1 μg/m3
3.8 μg/m3
NO2
0.2 ppb
0.3 ppb
0.9 ppb
1.5 ppb
2.2 ppb
2.6 ppb
3 ppb
3.2 ppb
3.1 ppb
SO2
N/A
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 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
104 ppb
102 ppb
98 ppb
92.6 ppb
86.4 ppb
79.8 ppb
73.6 ppb
68.1 ppb
34.3 ppb