Hourly Weather in Gemeente Leiden, South Holland, Netherlands
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 mph
Breezy
7 mph
Light
6 mph
Light
7 mph
Light
5 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
Humidity
88%
Extremely humid
92%
Extremely humid
92%
Extremely humid
94%
Extremely humid
94%
Extremely humid
94%
Extremely humid
95%
Extremely humid
94%
Extremely humid
92%
Extremely humid
Visibility
9 mi
Good
6 mi
Fair
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1002 hPa
Very low
1004 hPa
Very low
1005 hPa
Low
1006 hPa
Low
1006 hPa
Low
1007 hPa
Low
1008 hPa
Low
1009 hPa
Low
1010 hPa
Normal
Clouds
86%
100%
92%
43%
8%
50%
85%
74%
78%
Dew point
39°
37°
38°
38°
36°
36°
36°
35°
35°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
26
Good
26
Good
26
Good
26
Good
24
Good
23
Good
30
Good
41
Good
44
Good
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
0.09 μg/ft3
0.11 μg/ft3
0.13 μg/ft3
0.15 μg/ft3
0.17 μg/ft3
0.20 μg/ft3
0.27 μg/ft3
0.38 μg/ft3
0.47 μg/ft3
PM25
0.09 μg/ft3
0.10 μg/ft3
0.12 μg/ft3
0.13 μg/ft3
0.15 μg/ft3
0.18 μg/ft3
0.25 μg/ft3
0.35 μg/ft3
0.43 μg/ft3
NO2
4.69 ppb
4.75 ppb
4.81 ppb
4.88 ppb
7.12 ppb
9.35 ppb
11.59 ppb
12.65 ppb
13.71 ppb
SO2
0.91 ppb
0.92 ppb
0.93 ppb
0.93 ppb
1.18 ppb
1.43 ppb
1.68 ppb
2.04 ppb
2.4 ppb
CO
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.16 ppb
0.16 ppb
0.17 ppb
0.19 ppb
0.21 ppb
O3
29 ppb
27.9 ppb
26.9 ppb
25.8 ppb
22.4 ppb
19.1 ppb
15.7 ppb
14.1 ppb
12.5 ppb