Hourly Weather in Portland, Colorado, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 mph
Calm
4 mph
Calm
6 mph
Light
5 mph
Light
4 mph
Calm
6 mph
Light
6 mph
Light
6 mph
Light
7 mph
Light
Humidity
14%
Extremely dry
15%
Extremely dry
16%
Extremely dry
18%
Extremely dry
20%
Very dry
23%
Very dry
25%
Very dry
26%
Very dry
29%
Very 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
1017 hPa
Normal
1017 hPa
Normal
1018 hPa
Normal
1018 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
1016 hPa
Normal
Clouds
0%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
27°
27°
26°
26°
26°
27°
28°
28°
28°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
49
Good
46
Good
43
Good
42
Good
38
Good
34
Good
30
Good
28
Good
26
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
0.14 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.15 μg/ft3
0.15 μg/ft3
0.15 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
PM25
0.09 μg/ft3
0.09 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
0.13 μg/ft3
NO2
1 ppb
1.7 ppb
2.3 ppb
3.1 ppb
3.9 ppb
4.7 ppb
5.4 ppb
6.1 ppb
6.7 ppb
SO2
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
53 ppb
50 ppb
46.3 ppb
45.2 ppb
41.2 ppb
36.4 ppb
32.8 ppb
29.9 ppb
27.6 ppb