Hourly Weather in Alpharetta, Georgia, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
12 km/h
Light
12 km/h
Light
13 km/h
Light
13 km/h
Light
11 km/h
Light
7 km/h
Calm
17 km/h
Breezy
7 km/h
Calm
8 km/h
Calm
Humidity
81%
Extremely humid
85%
Extremely humid
79%
Extremely humid
74%
Extremely humid
73%
Extremely humid
74%
Extremely humid
81%
Extremely humid
83%
Extremely humid
88%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
9 km
Fair
16 km
Good
15 km
Good
Pressure
1018 hPa
High
1018 hPa
Normal
1018 hPa
Normal
1018 hPa
Normal
1017 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
Clouds
32%
30%
14%
99%
100%
100%
100%
100%
100%
Dew point
23°
24°
23°
23°
23°
23°
24°
23°
24°
UV Index
4
9
6
5
4
3
1
0
0
Air quality
40
Good
43
Good
45
Good
49
Good
52
Moderate
53
Moderate
54
Moderate
54
Moderate
55
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
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
14 μg/m3
12.3 μg/m3
13 μg/m3
PM25
7.2 μg/m3
7.6 μg/m3
8.1 μg/m3
8.8 μg/m3
9.5 μg/m3
10.1 μg/m3
10.7 μg/m3
10.4 μg/m3
11.1 μg/m3
NO2
1.2 ppb
1 ppb
0.8 ppb
0.9 ppb
1 ppb
1.1 ppb
1.9 ppb
3.3 ppb
4.3 ppb
SO2
0.5 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.4 ppb
0.4 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
13.6 ppb
14.8 ppb
16.5 ppb
18.5 ppb
20.5 ppb
22.5 ppb
24.2 ppb
40.1 ppb
37.7 ppb