Hourly Weather in Tustin, California, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 mph
Calm
5 mph
Calm
5 mph
Calm
5 mph
Calm
5 mph
Calm
5 mph
Calm
5 mph
Calm
5 mph
Calm
5 mph
Light
Humidity
83%
Extremely humid
83%
Extremely humid
84%
Extremely humid
84%
Extremely humid
84%
Extremely humid
83%
Extremely humid
79%
Extremely humid
73%
Extremely humid
67%
Humid
Visibility
8 mi
Good
8 mi
Good
8 mi
Good
8 mi
Good
8 mi
Good
8 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1014 hPa
Normal
1013 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
Clouds
86%
99%
100%
100%
100%
100%
73%
43%
20%
Dew point
53°
53°
53°
53°
53°
53°
54°
54°
55°
UV Index
0
0
0
0
0
1
3
5
7
Air quality
110
Unhealthy for sensitive groups
72
Moderate
68
Moderate
65
Moderate
65
Moderate
67
Moderate
68
Moderate
69
Moderate
68
Moderate
Pollen index
Tree
0 / 5
0 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 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
0.96 μg/ft3
0.86 μg/ft3
0.77 μg/ft3
0.72 μg/ft3
0.79 μg/ft3
0.97 μg/ft3
0.98 μg/ft3
0.98 μg/ft3
0.95 μg/ft3
PM25
0.66 μg/ft3
0.59 μg/ft3
0.52 μg/ft3
0.49 μg/ft3
0.53 μg/ft3
0.60 μg/ft3
0.60 μg/ft3
0.60 μg/ft3
0.58 μg/ft3
NO2
33.26 ppb
30.6 ppb
27.94 ppb
26.16 ppb
24.38 ppb
22.6 ppb
19.63 ppb
16.67 ppb
13.71 ppb
SO2
2.95 ppb
2.64 ppb
2.34 ppb
3.13 ppb
3.91 ppb
4.69 ppb
5.03 ppb
5.37 ppb
5.71 ppb
CO
0.35 ppb
0.34 ppb
0.33 ppb
0.32 ppb
0.31 ppb
0.3 ppb
0.28 ppb
0.26 ppb
0.24 ppb
O3
7.95 ppb
7.68 ppb
7.41 ppb
14.02 ppb
20.63 ppb
27.23 ppb
37.59 ppb
47.95 ppb
58.3 ppb