Hourly Weather in Old North Saint Louis, Missouri, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 mph
Calm
4 mph
Calm
4 mph
Calm
4 mph
Calm
5 mph
Light
6 mph
Light
7 mph
Light
8 mph
Light
8 mph
Light
Humidity
82%
Extremely humid
85%
Extremely humid
86%
Extremely humid
81%
Extremely humid
73%
Extremely humid
68%
Humid
58%
Comfortable
52%
Comfortable
45%
Comfortable
Visibility
9 mi
Good
8 mi
Good
8 mi
Good
9 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1026 hPa
Very high
1026 hPa
Very high
1028 hPa
Very high
1027 hPa
Very high
1028 hPa
Very high
1026 hPa
Very high
1026 hPa
Very high
1026 hPa
Very high
1026 hPa
Very high
Clouds
57%
90%
100%
100%
87%
100%
35%
100%
100%
Dew point
32°
32°
32°
33°
35°
36°
37°
36°
35°
UV Index
0
0
0
0
0
1
1
2
4
Air quality
35
Good
34
Good
33
Good
32
Good
32
Good
35
Good
39
Good
46
Good
51
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
0.19 μg/ft3
0.19 μg/ft3
0.18 μg/ft3
0.19 μg/ft3
0.19 μg/ft3
0.20 μg/ft3
0.21 μg/ft3
0.24 μg/ft3
0.27 μg/ft3
PM25
0.16 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.18 μg/ft3
0.20 μg/ft3
0.23 μg/ft3
0.26 μg/ft3
NO2
2.9 ppb
3.3 ppb
3.6 ppb
3.9 ppb
5.5 ppb
7 ppb
8.6 ppb
8.2 ppb
7.9 ppb
SO2
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.4 ppb
0.6 ppb
0.8 ppb
1 ppb
1.3 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
37.4 ppb
36.7 ppb
35.9 ppb
34.7 ppb
33.1 ppb
30.9 ppb
28.2 ppb
27.8 ppb
28.4 ppb