Hourly Weather in Salem, New Hampshire, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 mph
Light
8 mph
Light
9 mph
Light
10 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
13 mph
Breezy
14 mph
Breezy
Humidity
87%
Extremely humid
86%
Extremely humid
87%
Extremely humid
88%
Extremely humid
88%
Extremely humid
88%
Extremely humid
86%
Extremely humid
84%
Extremely humid
81%
Extremely humid
Visibility
10 mi
Good
9 mi
Good
7 mi
Good
5 mi
Fair
5 mi
Fair
4 mi
Fair
4 mi
Fair
8 mi
Good
8 mi
Good
Pressure
998 hPa
Extremely low
999 hPa
Extremely low
999 hPa
Extremely low
999 hPa
Extremely low
1000 hPa
Very low
1000 hPa
Very low
1000 hPa
Very low
1000 hPa
Very low
999 hPa
Extremely low
Clouds
68%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
31°
31°
31°
32°
32°
33°
33°
33°
33°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
30
Good
26
Good
21
Good
21
Good
22
Good
23
Good
24
Good
25
Good
26
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
0.24 μg/ft3
0.18 μg/ft3
0.11 μg/ft3
0.06 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.04 μg/ft3
0.06 μg/ft3
0.05 μg/ft3
PM25
0.20 μg/ft3
0.15 μg/ft3
0.09 μg/ft3
0.05 μg/ft3
0.02 μg/ft3
0.02 μg/ft3
0.04 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
NO2
4.36 ppb
3.73 ppb
3.09 ppb
2.91 ppb
2.73 ppb
2.54 ppb
2.39 ppb
2.24 ppb
2.09 ppb
SO2
0.84 ppb
0.81 ppb
0.78 ppb
0.69 ppb
0.61 ppb
0.52 ppb
0.55 ppb
0.57 ppb
0.6 ppb
CO
0.17 ppb
0.16 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
0.15 ppb
O3
21.7 ppb
22.9 ppb
24 ppb
25.1 ppb
26.3 ppb
27.4 ppb
28.1 ppb
28.9 ppb
29.7 ppb