SOUTH DAKOTA Department of
Environment & Natural Resources

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Air Quality

 

Air Quality Alert - High Winds
April 6, 2016
(PM10 Concentration and Meteorological Observations)
Click here for a graphical representation

Date and Time Issued: April 5, 2016  5:25 AM MST 
Date Issued for:

April 5 , 2016   5:25 AM MST

Date and Time Cancelled: April 6, 2016  7:00 PM MST
PM Concentrations location: Credit Union
Weather Observations:  

Time

PM10
Concentration

Wind Speed

Direction

Peak Wind

Precipitation

(military)

(Credit Union -ug/m3)

(mph)

 

(mph >30)

(inches)

01:00

14.9 34.2 NW   NA

02:00

11.5 30.4 NW   NA

03:00

8.3 27.0 NW   NA

04:00

4.9 26.3 NW   NA

05:00

3.6 26.0 NW   NA

06:00

7.6 26.1 NW   NA

07:00

29.4 24.5 NW   NA

08:00

15.2 17.3 NW   NA

09:00

27.3 24.9 NW   NA

10:00

55.4 27.4 NW   NA

11:00

51.9 26.2 NW   NA

12:00

39.5 29.1 NW   NA

13:00

34.8 33.7 NW   NA

14:00

38.0 28.1 NW   NA

15:00

47.7 27.7 NW   NA

16:00

18.9 22.1 NW   NA

17:00

8.8 25.9 NW   NA

18:00

10.3 18.5 NW   NA

19:00

22.2 18.7 N   NA

20:00

20.7 24.9 N   NA

21:00

26.1 24.8 N   NA

22:00

11.0 22.2 N   NA

23:00

5.9 22.0 W   NA

24:00

2.2 22.5 NW   NA

Averages

21.5 25.7      

 

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

PM10 24 hour Standard = 150 ug/m3

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