Hourly Weather in Merrimack Valley Seaplane Base, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
14 km/h
Light
11 km/h
Light
21 km/h
Breezy
9 km/h
Light
9 km/h
Light
12 km/h
Light
9 km/h
Light
13 km/h
Light
14 km/h
Light
Humidity
62%
Humid
63%
Humid
67%
Humid
79%
Extremely humid
69%
Humid
67%
Humid
71%
Extremely humid
71%
Extremely humid
74%
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
16 km
Good
Pressure
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1005 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1007 hPa
Low
Clouds
100%
99%
98%
100%
70%
100%
100%
65%
73%
Dew point
19°
19°
19°
20°
20°
19°
20°
19°
18°
UV Index
3
2
2
2
1
0
0
0
0
Air quality
51
Moderate
52
Moderate
53
Moderate
54
Moderate
55
Moderate
63
Moderate
62
Moderate
61
Moderate
59
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
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
18.1 μg/m3
18.2 μg/m3
17.8 μg/m3
17.2 μg/m3
PM25
9.1 μg/m3
9.7 μg/m3
10.3 μg/m3
10.9 μg/m3
11.4 μg/m3
15.5 μg/m3
15.1 μg/m3
14.3 μg/m3
13.4 μg/m3
NO2
1.7 ppb
1.5 ppb
1.5 ppb
1.6 ppb
1.6 ppb
1.9 ppb
2.5 ppb
3 ppb
3.4 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.3 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
32.2 ppb
36.9 ppb
41.8 ppb
46.4 ppb
50.4 ppb
61.3 ppb
58.4 ppb
56.3 ppb
52.1 ppb