SOUTH DAKOTA Department of
Environment & Natural Resources

Protecting South Dakota's Tomorrow...Today!
Joe Foss Building
523 E Capitol
Pierre, SD 57501
Field Offices
Contact Us
SubMenu

Air Quality

 

Air Quality Alert - High Winds
January 24, 2014
(PM10 Concentration and Meteorological Observations)
Click here for a graphical representation

Date and Time Issued: January 24, 2014  4:21 AM MST 
Date Issued for:

January 24, 2014  11:00 AM MST

Date and Time Cancelled: January 24, 2014  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

1.3 calm calm   NA

02:00

1.0 8.1 NW   NA

03:00

8.1 24.2 NW 32.2 NA

04:00

14.9 15.0 NNW   NA

05:00

6.6 18.4 NW   NA

06:00

8.7 28.8 NW 39.1 NA

07:00

4.9 23.0 NW 35.7 NA

08:00

6.2 23.0 NW 33.4 NA

09:00

6.7 26.5 NW 35.7 NA

10:00

11.9 17.3 NW   NA

11:00

35.2 32.2 NW 39.1 NA

12:00

38.6 34.5 NW 44.9 NA

13:00

21.6 28.8 NW 41.4 NA

14:00

22.2 43.7 NW 56.4 NA

15:00

66.3 40.3 NW 54.1 NA

16:00

83.7 35.7 NW 58.7 NA

17:00

31.2 32.2 NNW 43.7 NA

18:00

20.2 32.2 NW 43.7 NA

19:00

38.3 36.8 NNW 49.5 NA

20:00

78.9 39.1 NNW 55.2 NA

21:00

181.1 34.5 NNW 47.2 NA

22:00

110.3 28.8 NNW 39.1 NA

23:00

17.1 29.9 NNW 39.1 NA

24:00

2.9 28.8 NW 35.7 NA

Averages

34.1 28.8      

 

PM10 24 hour Concentration = 34.1 ug/m3 Credit Union (West Rapid City)

PM10 24 hour Standard = 150 ug/m3

4oiGIFNEIEJJVCBEZXRlY3Rpb24=