Hourly Weather in Chantilly, Virginia, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 km/h
Calm
8 km/h
Calm
8 km/h
Light
8 km/h
Calm
6 km/h
Calm
8 km/h
Calm
9 km/h
Light
10 km/h
Light
8 km/h
Light
Humidity
80%
Extremely humid
67%
Humid
73%
Extremely humid
71%
Extremely humid
75%
Extremely humid
78%
Extremely humid
84%
Extremely humid
86%
Extremely humid
87%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
15 km
Good
Pressure
1009 hPa
Low
1008 hPa
Low
1008 hPa
Low
1009 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1007 hPa
Low
Clouds
0%
100%
100%
100%
96%
100%
100%
61%
67%
Dew point
23°
20°
20°
19°
20°
19°
20°
21°
20°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
57
Moderate
57
Moderate
57
Moderate
57
Moderate
58
Moderate
58
Moderate
58
Moderate
58
Moderate
74
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
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
19.4 μg/m3
21.5 μg/m3
PM25
12.3 μg/m3
12.3 μg/m3
12.4 μg/m3
12.5 μg/m3
12.6 μg/m3
12.7 μg/m3
12.8 μg/m3
12.9 μg/m3
21 μg/m3
NO2
3.3 ppb
5.1 ppb
7 ppb
8.8 ppb
7.7 ppb
6.6 ppb
5.5 ppb
5 ppb
3 ppb
SO2
0.7 ppb
0.7 ppb
0.8 ppb
0.8 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.6 ppb
0.5 ppb
CO
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
O3
44.2 ppb
44.3 ppb
44.5 ppb
44.8 ppb
45.2 ppb
45.5 ppb
45.9 ppb
46.2 ppb
31.9 ppb