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
November 19, 2015
(PM10 Concentration and Meteorological Observations)
Click here for a graphical representation

Date and Time Issued: November 17, 2015  2:46 PM MST 
Date Issued for:

November 18, 2015  7:00 AM MST

Date and Time Cancelled: November 19, 2015  8:00 AM 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

-6.7 26.5 NW 36.8 NA

02:00

1.0 10.4 WNW   NA

03:00

3.2 11.5 WNW   NA

04:00

0.9 6.9 WNW   NA

05:00

1 8.1 WNW   NA

06:00

1.8 4.6 WNW   NA

07:00

8.9 9.2 WNW   NA

08:00

7.6 3.5 WNW   NA

09:00

3.7 4.6 ESE   NA

10:00

29.1 17.3 NNW   NA

11:00

57.8 12.7 NW   NA

12:00

17.2 5.8 NNW   NA

13:00

32.7 9.2 NNW   NA

14:00

38.8 10.4 NNW   NA

15:00

170.8 13.8 N   NA

16:00

26.0 11.5 N   NA

17:00

27.1 4.6 var   NA

18:00

18.2 3.5 ENE   NA

19:00

22.8 11.5 NE   NA

20:00

128.9 9.2 ENE   NA

21:00

-28.5 3.5 SW   NA

22:00

7.2 calm calm   NA

23:00

11.0 3.5 SSE   NA

24:00

3.1 4.6 S   NA

Averages

24.3 9.0      

 

PM10 24 hour Concentration = 24.3 ug/m3 Credit Union (West Rapid City)

PM10 24 hour Standard = 150 ug/m3

4oiGIFNEIEJJVCBEZXRlY3Rpb24=