Hourly Weather in Harlem, Pennsylvania, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 km/h
Calm
5 km/h
Calm
6 km/h
Calm
4 km/h
Calm
1 km/h
Calm
3 km/h
Calm
6 km/h
Calm
5 km/h
Calm
7 km/h
Calm
Humidity
85%
Extremely humid
75%
Extremely humid
66%
Humid
60%
Humid
54%
Comfortable
50%
Comfortable
47%
Comfortable
45%
Comfortable
42%
Dry
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
1010 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1009 hPa
Normal
1009 hPa
Low
1008 hPa
Low
Clouds
0%
0%
0%
8%
14%
12%
22%
11%
100%
Dew point
18°
18°
18°
18°
17°
17°
17°
16°
16°
UV Index
1
2
3
5
6
6
5
3
2
Air quality
47
Good
51
Moderate
53
Moderate
55
Moderate
57
Moderate
60
Moderate
62
Moderate
98
Moderate
97
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
17.3 μg/m3
17.3 μg/m3
17.3 μg/m3
17.3 μg/m3
17.3 μg/m3
17.3 μg/m3
17.3 μg/m3
36.2 μg/m3
35.4 μg/m3
PM25
8.4 μg/m3
9.1 μg/m3
10.1 μg/m3
11.3 μg/m3
12.5 μg/m3
13.7 μg/m3
14.7 μg/m3
34.1 μg/m3
33.4 μg/m3
NO2
7.7 ppb
5.6 ppb
3.4 ppb
1.3 ppb
1.1 ppb
0.9 ppb
0.7 ppb
0.9 ppb
0.9 ppb
SO2
2.9 ppb
2.4 ppb
1.9 ppb
1.4 ppb
1.3 ppb
1.1 ppb
0.9 ppb
0.8 ppb
0.8 ppb
CO
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
16.8 ppb
20.1 ppb
24.7 ppb
30 ppb
35.6 ppb
40.8 ppb
45.5 ppb
68.9 ppb
68.8 ppb