Hourly Weather in Perth, Delaware, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 km/h
Light
9 km/h
Light
9 km/h
Light
10 km/h
Light
10 km/h
Light
10 km/h
Light
9 km/h
Light
8 km/h
Calm
6 km/h
Calm
Humidity
85%
Extremely humid
75%
Extremely humid
69%
Humid
63%
Humid
63%
Humid
55%
Comfortable
53%
Comfortable
51%
Comfortable
50%
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
1021 hPa
High
1022 hPa
High
1021 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1019 hPa
High
1018 hPa
Normal
1017 hPa
Normal
Clouds
0%
0%
3%
2%
0%
1%
0%
1%
2%
Dew point
15°
15°
15°
14°
15°
14°
14°
14°
15°
UV Index
0
1
2
4
6
8
8
8
6
Air quality
31
Good
34
Good
36
Good
39
Good
56
Moderate
56
Moderate
56
Moderate
57
Moderate
58
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
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
14.6 μg/m3
14.4 μg/m3
14.5 μg/m3
14.5 μg/m3
14.4 μg/m3
PM25
5.6 μg/m3
6 μg/m3
6.3 μg/m3
6.7 μg/m3
11.6 μg/m3
11.5 μg/m3
11.6 μg/m3
11.5 μg/m3
11.5 μg/m3
NO2
8.3 ppb
7.3 ppb
5.3 ppb
3.4 ppb
1.6 ppb
1.4 ppb
1.1 ppb
0.8 ppb
0.9 ppb
SO2
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.6 ppb
0.6 ppb
0.5 ppb
0.5 ppb
0.5 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
31.7 ppb
35.5 ppb
39.1 ppb
42.2 ppb
50.3 ppb
55.8 ppb
59.9 ppb
63.5 ppb
65 ppb