Hourly Weather in Union, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 km/h
Calm
3 km/h
Calm
5 km/h
Calm
3 km/h
Calm
2 km/h
Calm
9 km/h
Light
12 km/h
Light
12 km/h
Light
13 km/h
Light
Humidity
53%
Comfortable
58%
Comfortable
65%
Humid
69%
Humid
71%
Extremely humid
59%
Comfortable
47%
Comfortable
36%
Dry
27%
Very dry
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
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
Clouds
0%
0%
3%
37%
8%
0%
0%
0%
0%
Dew point
8°
9°
10°
10°
10°
10°
10°
8°
7°
UV Index
0
0
0
0
0
1
3
5
8
Air quality
36
Good
38
Good
40
Good
42
Good
42
Good
41
Good
34
Good
29
Good
37
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
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
23.7 μg/m3
23.7 μg/m3
23.7 μg/m3
23.7 μg/m3
11 μg/m3
10.3 μg/m3
8.9 μg/m3
7.2 μg/m3
7.2 μg/m3
PM25
5.6 μg/m3
5.7 μg/m3
5.7 μg/m3
5.7 μg/m3
7.5 μg/m3
7.2 μg/m3
6.1 μg/m3
4.6 μg/m3
3.9 μg/m3
NO2
6.4 ppb
6.7 ppb
7 ppb
6 ppb
3.7 ppb
3 ppb
2.1 ppb
1.2 ppb
0.3 ppb
SO2
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
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
38.3 ppb
40.9 ppb
43.4 ppb
45.6 ppb
17.1 ppb
18.8 ppb
24.2 ppb
31.6 ppb
39.9 ppb