Hourly Weather in Heidelberg, Gauteng, South Africa
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
3 mph
Calm
3 mph
Calm
3 mph
Calm
2 mph
Calm
0 mph
Calm
0 mph
Calm
0 mph
Calm
2 mph
Calm
3 mph
Calm
Humidity
98%
Extremely humid
98%
Extremely humid
98%
Extremely humid
97%
Extremely humid
97%
Extremely humid
96%
Extremely humid
96%
Extremely humid
96%
Extremely humid
92%
Extremely humid
Visibility
6 mi
Good
7 mi
Good
3 mi
Low
4 mi
Fair
3 mi
Fair
4 mi
Fair
6 mi
Fair
10 mi
Good
10 mi
Good
Pressure
1018 hPa
Normal
1018 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
Clouds
100%
100%
100%
98%
97%
99%
89%
100%
91%
Dew point
60°
60°
60°
60°
60°
60°
60°
60°
61°
UV Index
0
0
0
0
0
0
0
0
1
Air quality
34
Good
32
Good
31
Good
30
Good
29
Good
27
Good
27
Good
27
Good
30
Good
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
3 / 5
3 / 5
3 / 5
3 / 5
2 / 5
2 / 5
2 / 5
3 / 5
3 / 5
Pollutants
Low risk
High risk
PM10
0.08 μg/ft3
0.06 μg/ft3
0.06 μg/ft3
0.06 μg/ft3
0.06 μg/ft3
0.07 μg/ft3
0.09 μg/ft3
0.11 μg/ft3
0.15 μg/ft3
PM25
0.08 μg/ft3
0.06 μg/ft3
0.06 μg/ft3
0.06 μg/ft3
0.06 μg/ft3
0.07 μg/ft3
0.08 μg/ft3
0.11 μg/ft3
0.15 μg/ft3
NO2
1.2 ppb
1.2 ppb
1.1 ppb
1.2 ppb
1.3 ppb
1.5 ppb
1.3 ppb
1.2 ppb
1 ppb
SO2
0.6 ppb
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.5 ppb
0.5 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
36.2 ppb
34.9 ppb
33.9 ppb
32.7 ppb
31.3 ppb
29.6 ppb
29.1 ppb
29.1 ppb
29.6 ppb