Hourly Weather in Butler, Pennsylvania, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
13 km/h
Light
13 km/h
Light
13 km/h
Light
12 km/h
Light
11 km/h
Light
9 km/h
Light
10 km/h
Light
8 km/h
Calm
6 km/h
Calm
Humidity
50%
Comfortable
47%
Comfortable
44%
Dry
40%
Dry
41%
Dry
39%
Dry
42%
Dry
42%
Dry
46%
Comfortable
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
1020 hPa
High
1020 hPa
High
1019 hPa
High
1019 hPa
High
1019 hPa
High
1018 hPa
High
1018 hPa
Normal
1018 hPa
Normal
1018 hPa
Normal
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
96%
Dew point
11°
11°
11°
11°
12°
12°
13°
13°
14°
UV Index
5
6
5
4
4
3
2
1
0
Air quality
31
Good
32
Good
33
Good
34
Good
34
Good
36
Good
52
Moderate
51
Moderate
48
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
25.9 μg/m3
25.9 μg/m3
25.9 μg/m3
25.9 μg/m3
25.9 μg/m3
25.9 μg/m3
7.4 μg/m3
7.6 μg/m3
8 μg/m3
PM25
5.6 μg/m3
5.7 μg/m3
5.8 μg/m3
6 μg/m3
6.1 μg/m3
6.2 μg/m3
7.1 μg/m3
7.3 μg/m3
7.7 μg/m3
NO2
1 ppb
0.9 ppb
0.8 ppb
0.7 ppb
0.8 ppb
0.9 ppb
1.2 ppb
2.4 ppb
3.6 ppb
SO2
0.4 ppb
0.4 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 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
20.8 ppb
24 ppb
27.8 ppb
31.7 ppb
35.4 ppb
38.6 ppb
56.6 ppb
54.6 ppb
51.4 ppb