Hourly Weather in Merrian, Pennsylvania, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 km/h
Light
10 km/h
Light
9 km/h
Light
8 km/h
Calm
6 km/h
Calm
7 km/h
Calm
7 km/h
Calm
7 km/h
Calm
6 km/h
Calm
Humidity
42%
Dry
41%
Dry
43%
Dry
43%
Dry
51%
Comfortable
56%
Comfortable
58%
Comfortable
56%
Comfortable
56%
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
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1021 hPa
High
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
11°
11°
12°
12°
13°
13°
13°
12°
11°
UV Index
4
2
1
0
0
0
0
0
0
Air quality
54
Moderate
54
Moderate
53
Moderate
53
Moderate
53
Moderate
53
Moderate
62
Moderate
62
Moderate
61
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
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
11.9 μg/m3
16.3 μg/m3
16.4 μg/m3
15.6 μg/m3
PM25
6 μg/m3
6.2 μg/m3
6.6 μg/m3
7 μg/m3
7.4 μg/m3
7.7 μg/m3
14.9 μg/m3
15 μg/m3
14.2 μg/m3
NO2
0.6 ppb
0.7 ppb
1.6 ppb
2.6 ppb
3.5 ppb
4.7 ppb
6.1 ppb
7.3 ppb
6.6 ppb
SO2
0.9 ppb
1 ppb
1.4 ppb
1.9 ppb
2.3 ppb
2.3 ppb
2.6 ppb
2.6 ppb
2.7 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
O3
59.1 ppb
58.8 ppb
58.4 ppb
58 ppb
57.5 ppb
57.1 ppb
48.7 ppb
40.4 ppb
37 ppb