Hourly Weather in Old North Saint Louis, Missouri, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 mph
Light
8 mph
Light
10 mph
Light
12 mph
Breezy
14 mph
Breezy
14 mph
Breezy
13 mph
Breezy
16 mph
Breezy
17 mph
Breezy
Humidity
85%
Extremely humid
82%
Extremely humid
77%
Extremely humid
73%
Extremely humid
66%
Humid
54%
Comfortable
48%
Comfortable
41%
Dry
36%
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
1016 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
Clouds
20%
31%
40%
0%
9%
13%
15%
88%
63%
Dew point
30°
30°
30°
29°
28°
27°
29°
29°
29°
UV Index
0
0
0
0
0
0
1
2
3
Air quality
34
Good
26
Good
22
Good
25
Good
27
Good
28
Good
29
Good
30
Good
31
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
0.17 μg/ft3
0.14 μg/ft3
0.11 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
PM25
0.17 μg/ft3
0.13 μg/ft3
0.10 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
NO2
6.1 ppb
4.7 ppb
3.3 ppb
1.9 ppb
2 ppb
2.2 ppb
2.3 ppb
2.3 ppb
2.2 ppb
SO2
0.4 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.4 ppb
0.4 ppb
0.4 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
18.8 ppb
21.1 ppb
23.9 ppb
26.8 ppb
28.7 ppb
30 ppb
31 ppb
32.2 ppb
33.5 ppb