Hourly Weather in Alton, Michigan, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 mph
Breezy
10 mph
Light
9 mph
Light
9 mph
Light
9 mph
Light
8 mph
Light
6 mph
Light
4 mph
Calm
3 mph
Calm
Humidity
53%
Comfortable
50%
Comfortable
49%
Comfortable
50%
Comfortable
52%
Comfortable
56%
Comfortable
67%
Humid
79%
Extremely humid
82%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1022 hPa
High
1021 hPa
High
1021 hPa
High
1021 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1023 hPa
High
1023 hPa
High
Clouds
63%
52%
42%
31%
38%
46%
42%
48%
58%
Dew point
10°
9°
9°
9°
9°
10°
11°
12°
11°
UV Index
3
3
2
1
1
0
0
0
0
Air quality
43
Good
43
Good
43
Good
43
Good
43
Good
44
Good
44
Good
44
Good
44
Good
Pollen index
Tree
3 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 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
0.11 μg/ft3
0.11 μg/ft3
0.11 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
0.10 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
PM25
0.09 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.07 μg/ft3
0.07 μg/ft3
NO2
N/A
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
SO2
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
46.2 ppb
46.3 ppb
46.4 ppb
46.6 ppb
46.7 ppb
46.9 ppb
47 ppb
47.2 ppb
47.3 ppb