Hourly Weather in Gemeente Leiden, South Holland, Netherlands
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 mph
Light
6 mph
Light
5 mph
Light
5 mph
Calm
4 mph
Calm
4 mph
Calm
4 mph
Calm
4 mph
Calm
4 mph
Calm
Humidity
91%
Extremely humid
93%
Extremely humid
94%
Extremely humid
95%
Extremely humid
95%
Extremely humid
96%
Extremely humid
97%
Extremely humid
98%
Extremely humid
99%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1028 hPa
Very high
1029 hPa
Very high
1029 hPa
Very high
1029 hPa
Very high
1030 hPa
Very high
1030 hPa
Very high
1030 hPa
Very high
1030 hPa
Very high
1030 hPa
Very high
Clouds
19%
15%
5%
0%
0%
0%
0%
2%
12%
Dew point
37°
36°
36°
35°
34°
33°
32°
32°
31°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
51
Moderate
53
Moderate
55
Moderate
56
Moderate
57
Moderate
58
Moderate
58
Moderate
59
Moderate
60
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
0.29 μg/ft3
0.33 μg/ft3
0.36 μg/ft3
0.38 μg/ft3
0.40 μg/ft3
0.41 μg/ft3
0.42 μg/ft3
0.44 μg/ft3
0.46 μg/ft3
PM25
0.25 μg/ft3
0.29 μg/ft3
0.31 μg/ft3
0.33 μg/ft3
0.35 μg/ft3
0.36 μg/ft3
0.36 μg/ft3
0.38 μg/ft3
0.40 μg/ft3
NO2
19.6 ppb
21.8 ppb
24 ppb
24.8 ppb
25.5 ppb
26.2 ppb
26.9 ppb
27.5 ppb
28.1 ppb
SO2
1.8 ppb
1.9 ppb
2.1 ppb
2 ppb
2 ppb
2 ppb
1.9 ppb
1.9 ppb
1.9 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
19.8 ppb
16.8 ppb
13.9 ppb
12.1 ppb
10.8 ppb
9.7 ppb
8.7 ppb
7.6 ppb
6.5 ppb