SOUTH DAKOTA Department of
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Air Quality

 

Air Quality Alert - High Winds
November 28, 2016
(PM10 Concentration and Meteorological Observations)
Click here for a graphical representation

Date and Time Issued: November 28, 2016  4:41 AM MST 
Date Issued for:

November 28, 2016   4:41 AM MST

Date and Time Cancelled: November 29, 2016   6:00 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

200.9 38.0 NNW 50.6 NA

02:00

75.5 33.4 NNW 52.9 NA

03:00

74.5 40.3 NW 54.1 NA

04:00

26.6 40.3 NW 52.9 NA

05:00

20.1 35.7 NW 48.3 NA

06:00

19.0 32.2 NW 40.3 NA

07:00

18.2 28.8 NW 42.6 NA

08:00

23.4 34.5 NW 46.0 NA

09:00

68.2 34.5 WNW 43.7 NA

10:00

85.1 39.1 NW 51.8 NA

11:00

113.6 33.4 NW 48.3 NA

12:00

185.3 34.5 NW 48.3 NA

13:00

80.2 35.7 NW 47.2 NA

14:00

83.6 33.4 NW 49.5 NA

15:00

47.3 38.0 NW 47.2 NA

16:00

113.4 34.5 NW 46.0 NA

17:00

65.7 35.7 NNW 44.9 NA

18:00

7.4 20.7 NW   NA

19:00

8.4 26.5 NNW 34.5 NA

20:00

17.7 29.9 NNW 43.7 0.00

21:00

20.3 23.0 NNW 33.4 0.00

22:00

10.8 26.5 NNW 33.4 0.00

23:00

23.9 26.5 NW 38.0 0.00

24:00

19.5 31.1 NW 41.4 0.00

Averages

58.7 33.1      

 

PM10 24 hour Concentration = 58.7 ug/m3 Credit Union (West Rapid City)

PM10 24 hour Standard = 150 ug/m3

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