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Fort Collins, Colorado, United States
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Air Quality in Fort Collins, Colorado, United States

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Pollutants in Fort Collins, United States

PM10
0.64 μg/ft3
PM25
Primary Pollutant
0.64 μg/ft3
NO2
6.88 ppb
SO2
5.31 ppb
CO
3.13 ppb
O3
10.63 ppb
Low riskHigh risk

Pollen Index in Fort Collins, United States

Tree
1/5
012345
Weed
0/5
012345
Grass
2/5
012345

Air Quality Forecast in Fort Collins, United States

Tue, April 23
MorningNoonEveningNight
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 28 and 67.

29
43
67
48
Pollen

Tree pollen on this day is expected to have low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have low risk.

Tree

1
1
2
1

Weed

0
0
0
0

Grass

2
2
1
1
PM10
0.10 μg/ft3
0.34 μg/ft3
0.36 μg/ft3
0.52 μg/ft3
PM25
0.07 μg/ft3
0.07 μg/ft3
0.10 μg/ft3
0.18 μg/ft3
NO2
4.03 ppb
0.28 ppb
0.41 ppb
0.88 ppb
SO2
0.24 ppb
0.13 ppb
0.08 ppb
0.14 ppb
CO
0.13 ppb
0.11 ppb
0.11 ppb
0.12 ppb
O3
27.31 ppb
53.13 ppb
65.65 ppb
47.14 ppb
AQI

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 41 and 71.

41
47
70
57
Pollen

Tree pollen on this day is expected to have low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have low risk.

Tree

1
1
1
2

Weed

0
0
0
0

Grass

1
2
2
1
PM10
0.37 μg/ft3
0.49 μg/ft3
0.30 μg/ft3
0.41 μg/ft3
PM25
0.19 μg/ft3
0.16 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
NO2
1.22 ppb
0.3 ppb
0.48 ppb
0.95 ppb
SO2
0.25 ppb
0.16 ppb
0.12 ppb
0.15 ppb
CO
0.12 ppb
0.12 ppb
0.11 ppb
0.11 ppb
O3
41.54 ppb
56.6 ppb
63.18 ppb
49.95 ppb
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 35 and 49.

35
0
0
0
Pollen

Tree pollen on this day is expected to have low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have low risk.

Tree

1
-
Not Available
-
Not Available
-
Not Available

Weed

0
-
Not Available
-
Not Available
-
Not Available

Grass

2
-
Not Available
-
Not Available
-
Not Available
PM10
0.29 μg/ft3
N/A
N/A
N/A
PM25
0.10 μg/ft3
N/A
N/A
N/A
NO2
1.52 ppb
N/A
N/A
N/A
SO2
0.19 ppb
N/A
N/A
N/A
CO
0.11 ppb
N/A
N/A
N/A
O3
33.9 ppb
N/A
N/A
N/A