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SOUTH DAKOTA Department of
Agriculture & Natural Resources

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Air Quality

 

Air Quality Alert - High Winds
January 7, 2019
(PM10 Concentration and Meteorological Observations)
Click here for a graphical representation

Date and Time Issued: January 7, 2019  2:36 AM MST 
Date Issued for:

January 7, 2019  2:00 PM MST

Date and Time Cancelled: January 7, 2019  10:00 PM MST
PM Concentrations location: Credit Union
Weather Observations:  Ellsworth Air Force Base

Time

PM10
Concentration

Wind Speed

Direction

Peak Wind

Precipitation

(military)

(Credit Union -ug/m3)

(mph)

 

(mph >30)

(inches)

01:00

14.4 18 NW   NA

02:00

58.3 9 W   NA

03:00

3.4 10 WSW   NA

04:00

7.8 10 WSW   NA

05:00

7.1 9 SW   NA

06:00

6.6 7 WSW   NA

07:00

5.6 6 SW   NA

08:00

3.9 8 SSW   NA

09:00

8.8 5 S   NA

10:00

9.7 3 ESE   NA

11:00

23.1 6 ESE   NA

12:00

9.3 18 WNW 30 NA

13:00

13.2 13 WSW   NA

14:00

19.2 17 NW   NA

15:00

16.5 12 NNE   NA

16:00

19.9 8 N   NA

17:00

34.8 18 NW   NA

18:00

20.1 21 NNW   NA

19:00

15.4 33 NNW 38 NA

20:00

7.6 24 NW   NA

21:00

8.8 31 NW 39 NA

22:00

17.7 28 WNW 39 NA

23:00

6.1 17 WNW   NA

24:00

5.9 14 WNW   NA

Averages

14.3 14.4      

 

PM10 24 hour Concentration = 14.3 ug/m3 Credit Union (West Rapid City)

PM10 24 hour Standard = 150 ug/m3

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