Hourly Weather in Captain Meriwether Lewis Historical Marker, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
15 km/h
Light
10 km/h
Light
9 km/h
Light
8 km/h
Light
11 km/h
Light
11 km/h
Light
11 km/h
Light
12 km/h
Light
12 km/h
Light
Humidity
27%
Very dry
31%
Dry
35%
Dry
37%
Dry
37%
Dry
37%
Dry
38%
Dry
37%
Dry
37%
Dry
Visibility
8 km
Fair
8 km
Fair
9 km
Fair
9 km
Fair
10 km
Fair
14 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1011 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
Clouds
0%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
6°
6°
6°
6°
5°
4°
3°
2°
3°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
134
Unhealthy for sensitive groups
148
Unhealthy for sensitive groups
154
Unhealthy
158
Unhealthy
162
Unhealthy
52
Moderate
57
Moderate
67
Moderate
80
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
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
Pollutants
Low risk
High risk
PM10
22.6 μg/m3
41 μg/m3
41 μg/m3
41 μg/m3
41 μg/m3
9.9 μg/m3
12.5 μg/m3
17.8 μg/m3
24.8 μg/m3
PM25
48.8 μg/m3
54.3 μg/m3
60.1 μg/m3
65.6 μg/m3
70.5 μg/m3
9.5 μg/m3
12.1 μg/m3
17.4 μg/m3
24.4 μg/m3
NO2
1 ppb
1 ppb
1.6 ppb
2.1 ppb
2.6 ppb
3.7 ppb
5.3 ppb
6.8 ppb
8 ppb
SO2
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
CO
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
O3
50.6 ppb
51.7 ppb
52.9 ppb
54 ppb
55 ppb
35.1 ppb
28.2 ppb
21.3 ppb
16.5 ppb