Nearby locations
Spearfish, South Dakota, United States
North Spearfish, South Dakota, United States
Maurice, South Dakota, United States
Nearby popular places
D C Booth Historic National Fish Hatchery, United States
Black Hills Airport, United States
Spearfish Peak, United States

Air Quality in Spearfish, South Dakota, United States

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Pollutants in Spearfish, United States

PM10
2.1 μg/m3
PM25
2.2 μg/m3
NO2
1 ppb
SO2
N/A
CO
0.1 ppb
O3
Primary Pollutant
18 ppb
Low riskHigh risk

Pollen Index in Spearfish, United States

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

Air Quality Forecast in Spearfish, United States

Fri, September 18
MorningNoonEveningNight
Next day
Next day
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 11 and 27.

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 21 and 29.

24
21
25
29
Next day
Pollen

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

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

Tree

0
0
0
0

Weed

2
2
2
2

Grass

2
1
1
1
Next day
PM10
5.2 μg/m3
N/A
0.1 μg/m3
0.1 μg/m3
PM25
2.6 μg/m3
N/A
0.1 μg/m3
0.1 μg/m3
NO2
1 ppb
1.1 ppb
0.4 ppb
0.8 ppb
SO2
N/A
N/A
N/A
N/A
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
25.6 ppb
22.3 ppb
26.5 ppb
31 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 21 and 29.

21
25
29
28
Pollen

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

Tree

0
0
0
0

Weed

2
2
2
2

Grass

1
1
1
1
PM10
N/A
0.1 μg/m3
0.1 μg/m3
N/A
PM25
N/A
0.1 μg/m3
0.1 μg/m3
N/A
NO2
1.1 ppb
0.4 ppb
0.8 ppb
1 ppb
SO2
N/A
N/A
N/A
0.1 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
22.3 ppb
26.5 ppb
31 ppb
29.7 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 26 and 35.

26
30
35
30
Pollen

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

Tree

0
0
0
0

Weed

1
2
2
2

Grass

1
1
1
1
PM10
0.2 μg/m3
0.2 μg/m3
0.3 μg/m3
0.7 μg/m3
PM25
0.2 μg/m3
0.2 μg/m3
0.3 μg/m3
0.6 μg/m3
NO2
0.9 ppb
0.3 ppb
0.4 ppb
1.6 ppb
SO2
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
27.7 ppb
32.6 ppb
37.6 ppb
31.8 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 25 and 35.

26
30
34
0
Pollen

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

Tree

0
0
0
-
Not Available

Weed

1
2
2
-
Not Available

Grass

1
1
1
-
Not Available
PM10
0.4 μg/m3
1.4 μg/m3
1.4 μg/m3
N/A
PM25
0.4 μg/m3
1.4 μg/m3
1.3 μg/m3
N/A
NO2
0.9 ppb
0.3 ppb
0.5 ppb
N/A
SO2
N/A
N/A
0.1 ppb
N/A
CO
0.1 ppb
0.1 ppb
0.1 ppb
N/A
O3
27.6 ppb
31.8 ppb
36.2 ppb
N/A