Hourly Weather in Salem, Connecticut, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 mph
Calm
5 mph
Calm
4 mph
Calm
3 mph
Calm
3 mph
Calm
2 mph
Calm
1 mph
Calm
2 mph
Calm
4 mph
Calm
Humidity
63%
Humid
66%
Humid
73%
Extremely humid
77%
Extremely humid
79%
Extremely humid
79%
Extremely humid
81%
Extremely humid
85%
Extremely humid
86%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
9 mi
Good
9 mi
Good
Pressure
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
Clouds
20%
0%
1%
55%
100%
100%
93%
100%
100%
Dew point
51°
51°
53°
53°
54°
53°
53°
54°
56°
UV Index
0
0
0
0
0
0
0
0
1
Air quality
55
Moderate
55
Moderate
56
Moderate
58
Moderate
60
Moderate
62
Moderate
64
Moderate
66
Moderate
65
Moderate
Pollen index
Tree
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
4 / 5
4 / 5
5 / 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
0.32 μg/ft3
0.33 μg/ft3
0.38 μg/ft3
0.42 μg/ft3
0.47 μg/ft3
0.51 μg/ft3
0.55 μg/ft3
0.59 μg/ft3
0.57 μg/ft3
PM25
0.31 μg/ft3
0.31 μg/ft3
0.33 μg/ft3
0.36 μg/ft3
0.39 μg/ft3
0.42 μg/ft3
0.45 μg/ft3
0.48 μg/ft3
0.47 μg/ft3
NO2
7.4 ppb
8 ppb
8.6 ppb
9.2 ppb
9.8 ppb
10.4 ppb
11 ppb
9.2 ppb
7.4 ppb
SO2
0.5 ppb
0.6 ppb
0.6 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.7 ppb
0.6 ppb
0.6 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
38.1 ppb
36.3 ppb
34.3 ppb
32.4 ppb
30.2 ppb
28 ppb
25.9 ppb
26.2 ppb
27.2 ppb