Hourly Weather in Merthyr Tydfil, Wales, United Kingdom
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 mph
Light
8 mph
Light
8 mph
Light
8 mph
Light
7 mph
Light
7 mph
Light
6 mph
Light
9 mph
Light
10 mph
Light
Humidity
48%
Comfortable
47%
Comfortable
48%
Comfortable
50%
Comfortable
54%
Comfortable
59%
Comfortable
69%
Humid
83%
Extremely humid
89%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
5 mi
Fair
2 mi
Low
4 mi
Fair
3 mi
Low
Pressure
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
42°
40°
39°
39°
40°
42°
44°
47°
49°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
44
Good
42
Good
35
Good
31
Good
28
Good
26
Good
26
Good
27
Good
28
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
0.10 μg/ft3
0.11 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
0.12 μg/ft3
0.13 μg/ft3
0.12 μg/ft3
PM25
0.08 μg/ft3
0.09 μg/ft3
0.10 μg/ft3
0.11 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
NO2
4.2 ppb
6.1 ppb
8 ppb
7.5 ppb
7 ppb
6.5 ppb
5.4 ppb
4.2 ppb
3 ppb
SO2
0.4 ppb
0.5 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
47.8 ppb
44.9 ppb
37.9 ppb
33.6 ppb
30.4 ppb
28.1 ppb
27.9 ppb
28.7 ppb
29.9 ppb