Daily Weather in Merrian, Pennsylvania, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
14 km/h
Light
16 km/h
Light
16 km/h
Light
22 km/h
Breezy
14 km/h
Light
17 km/h
Breezy
14 km/h
Light
12 km/h
Light
5 km/h
Calm
Humidity
92%
Extremely humid
88%
Extremely humid
98%
Extremely humid
100%
Extremely humid
99%
Extremely humid
99%
Extremely humid
96%
Extremely humid
94%
Extremely humid
92%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
12 km
Good
12 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1022 hPa
High
1014 hPa
Normal
1012 hPa
Normal
1005 hPa
Low
1001 hPa
Very low
1008 hPa
Low
1012 hPa
Normal
1013 hPa
Normal
1014 hPa
Normal
Clouds
34%
100%
100%
100%
100%
100%
100%
98%
99%
Dew point
16°
17°
21°
21°
20°
20°
20°
19°
22°
UV Index
8
7
6
6
7
Air quality
60
Moderate
70
Moderate
79
Moderate
60
Moderate
54
Moderate
Pollen index
Tree
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
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
26 μg/m3
21.7 μg/m3
25.8 μg/m3
13.8 μg/m3
10.8 μg/m3
PM25
14 μg/m3
19.3 μg/m3
23.8 μg/m3
13.7 μg/m3
10.7 μg/m3
NO2
8.5 ppb
9.7 ppb
8.3 ppb
6.1 ppb
4.1 ppb
SO2
4.8 ppb
6.2 ppb
5.7 ppb
2.4 ppb
1.9 ppb
CO
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
O3
51.8 ppb
60.3 ppb
63.5 ppb
59.7 ppb
49.3 ppb