SOUTH DAKOTA Department of
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Air Quality

 

Air Quality Alert - High Winds
November 16, 2015
(PM10 Concentration and Meteorological Observations)
Click here for a graphical representation

Date and Time Issued: November 16, 2015  5:53 AM MST 
Date Issued for:

November 16, 2015  3:00 PM MST

Date and Time Cancelled: November 17, 2015  5:00 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

43.9 4.6 ESE   NA

02:00

17.4 3.5 SSE   NA

03:00

4.7 4.6 S   NA

04:00

3.4 4.6 E   NA

05:00

12.2 5.8 E   NA

06:00

23.8 8.1 SE   NA

07:00

19.2 8.1 E   NA

08:00

11.9 4.6 ESE   NA

09:00

13.7 calm calm   NA

10:00

14.2 3.5 W   NA

11:00

19.6 3.5 NW   NA

12:00

14.5 10.4 NW   NA

13:00

44.3 16.1 NNNE   NA

14:00

61.6 18.4 N   NA

15:00

54.8 19.6 N   NA

16:00

59.3 25.3 N 35.7 NA

17:00

124.9 26.5 NNW 39.1 NA

18:00

91.8 28.8 NNW 44.9 NA

19:00

53.0 44.9 NNW 55.2 0.00

20:00

127.3 43.7 NNW 59.8 0.00

21:00

49.5 46.0 NNW 57.5 0.00

22:00

39.3 46.0 NNW 57.5 0.00

23:00

27.6 36.8 NNW 51.8 0.00

24:00

41.7 41.4 NNW 52.9 0.00

Averages

40.6 19.8      

 

PM10 24 hour Concentration = 40.6 ug/m3 Credit Union (West Rapid City)

PM10 24 hour Standard = 150 ug/m3

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