Hourly Weather in Longmont, Colorado, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 mph
Light
7 mph
Light
7 mph
Light
8 mph
Light
8 mph
Light
9 mph
Light
9 mph
Light
9 mph
Light
9 mph
Light
Humidity
85%
Extremely humid
84%
Extremely humid
83%
Extremely humid
81%
Extremely humid
77%
Extremely humid
73%
Extremely humid
71%
Extremely humid
68%
Humid
66%
Humid
Visibility
8 mi
Good
8 mi
Good
9 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1026 hPa
Very high
1026 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
Clouds
100%
100%
85%
21%
50%
33%
46%
24%
34%
Dew point
27°
27°
28°
29°
29°
29°
29°
28°
27°
UV Index
0
0
0
0
1
1
1
0
0
Air quality
26
Good
24
Good
26
Good
29
Good
34
Good
36
Good
38
Good
39
Good
40
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
0.07 μg/ft3
0.08 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.07 μg/ft3
0.06 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
PM25
0.07 μg/ft3
0.08 μg/ft3
0.09 μg/ft3
0.08 μg/ft3
0.07 μg/ft3
0.06 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
NO2
12.02 ppb
14.61 ppb
10.7 ppb
6.78 ppb
2.87 ppb
2.64 ppb
2.42 ppb
2.19 ppb
3.75 ppb
SO2
0.83 ppb
0.93 ppb
0.84 ppb
0.75 ppb
0.66 ppb
0.59 ppb
0.51 ppb
0.44 ppb
0.48 ppb
CO
0.18 ppb
0.2 ppb
0.18 ppb
0.15 ppb
0.13 ppb
0.13 ppb
0.13 ppb
0.12 ppb
0.13 ppb
O3
26.7 ppb
23.8 ppb
29.7 ppb
35.5 ppb
41.4 ppb
42.4 ppb
43.4 ppb
44.4 ppb
42.7 ppb