Hourly Weather in Topsfield, Massachusetts, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
3 km/h
Calm
3 km/h
Calm
6 km/h
Calm
7 km/h
Calm
5 km/h
Calm
12 km/h
Light
17 km/h
Breezy
16 km/h
Breezy
15 km/h
Light
Humidity
55%
Comfortable
48%
Comfortable
41%
Dry
35%
Dry
35%
Dry
36%
Dry
38%
Dry
40%
Dry
44%
Dry
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
1024 hPa
High
1024 hPa
High
1023 hPa
High
1023 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1021 hPa
High
1021 hPa
High
Clouds
0%
0%
0%
20%
8%
7%
2%
0%
0%
Dew point
13°
12°
11°
9°
10°
10°
10°
11°
11°
UV Index
4
6
7
7
6
5
3
2
1
Air quality
31
Good
34
Good
36
Good
39
Good
42
Good
44
Good
65
Moderate
62
Moderate
57
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
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
19.7 μg/m3
17.7 μg/m3
14.6 μg/m3
PM25
5.6 μg/m3
6.1 μg/m3
6.5 μg/m3
7 μg/m3
7.5 μg/m3
7.9 μg/m3
16.7 μg/m3
14.8 μg/m3
12.1 μg/m3
NO2
6.1 ppb
4.8 ppb
3.9 ppb
3 ppb
2 ppb
1.8 ppb
1.8 ppb
1.2 ppb
1.4 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.1 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
18 ppb
21.5 ppb
25.7 ppb
30 ppb
34.1 ppb
37.7 ppb
66 ppb
66.3 ppb
63.8 ppb