Hourly Weather in Round Island Lighthouse Historical Marker, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 mph
Light
8 mph
Light
8 mph
Light
10 mph
Breezy
9 mph
Light
9 mph
Light
9 mph
Light
8 mph
Light
7 mph
Light
Humidity
88%
Extremely humid
86%
Extremely humid
84%
Extremely humid
73%
Extremely humid
68%
Humid
65%
Humid
63%
Humid
63%
Humid
68%
Humid
Visibility
8 mi
Good
9 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1020 hPa
High
1020 hPa
High
1020 hPa
High
1020 hPa
High
1019 hPa
High
1019 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
High
Clouds
100%
79%
100%
100%
100%
99%
100%
100%
100%
Dew point
54°
54°
54°
56°
55°
54°
53°
53°
53°
UV Index
0
1
1
2
2
1
1
0
0
Air quality
21
Good
21
Good
22
Good
27
Good
32
Good
34
Good
36
Good
37
Good
37
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
0.17 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.16 μg/ft3
0.17 μg/ft3
0.18 μg/ft3
0.18 μg/ft3
0.17 μg/ft3
PM25
0.12 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
NO2
0.86 ppb
0.75 ppb
0.58 ppb
0.41 ppb
0.24 ppb
0.22 ppb
0.2 ppb
0.19 ppb
0.2 ppb
SO2
0.29 ppb
0.28 ppb
0.23 ppb
0.18 ppb
0.13 ppb
0.12 ppb
0.11 ppb
0.11 ppb
0.11 ppb
CO
0.17 ppb
0.17 ppb
0.16 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
O3
22.47 ppb
22.13 ppb
27.85 ppb
33.57 ppb
39.3 ppb
40.01 ppb
40.73 ppb
41.44 ppb
38.78 ppb