Hourly Weather in Portland Observatory, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 km/h
Calm
13 km/h
Light
7 km/h
Calm
6 km/h
Calm
6 km/h
Calm
6 km/h
Calm
10 km/h
Light
16 km/h
Breezy
14 km/h
Light
Humidity
92%
Extremely humid
94%
Extremely humid
94%
Extremely humid
90%
Extremely humid
88%
Extremely humid
85%
Extremely humid
81%
Extremely humid
99%
Extremely humid
98%
Extremely humid
Visibility
14 km
Good
13 km
Good
13 km
Good
15 km
Good
15 km
Good
16 km
Good
16 km
Good
5 km
Low
5 km
Fair
Pressure
1022 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1021 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
Clouds
2%
10%
7%
12%
11%
6%
4%
83%
88%
Dew point
14°
14°
14°
14°
14°
14°
14°
14°
14°
UV Index
0
1
3
4
6
7
7
6
5
Air quality
55
Moderate
55
Moderate
56
Moderate
56
Moderate
56
Moderate
61
Moderate
63
Moderate
64
Moderate
64
Moderate
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
15.1 μg/m3
15.1 μg/m3
15.1 μg/m3
15.1 μg/m3
15.1 μg/m3
17.2 μg/m3
18.5 μg/m3
19.1 μg/m3
19 μg/m3
PM25
11.1 μg/m3
11.3 μg/m3
11.5 μg/m3
11.7 μg/m3
11.9 μg/m3
14.4 μg/m3
15.5 μg/m3
15.9 μg/m3
15.8 μg/m3
NO2
4 ppb
3.5 ppb
2.8 ppb
2.2 ppb
1.5 ppb
1.6 ppb
1.3 ppb
1 ppb
1 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
25.9 ppb
27.7 ppb
29.6 ppb
31.4 ppb
32.9 ppb
53.8 ppb
58.1 ppb
62 ppb
63.2 ppb