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 24, 2017
(PM10 Concentration and Meteorological Observations)
Click here for a graphical representation

Date and Time Issued: November 24, 2017   3:19 AM MST 
Date Issued for:

November 24, 2017   6:00 AM MST

Date and Time Cancelled: November 24, 2017   3:00 PM MST
PM Concentrations location: Credit Union
Weather Observations:  Ellsworth Air Force Base

Time

PM10
Concentration

Wind Speed

Direction

Peak Wind

Precipitation

(military)

(Credit Union -ug/m3)

(mph)

 

(mph >30)

(inches)

01:00

0.5 9.2 WSW   NA

02:00

0.4 16.1 W   NA

03:00

0.6 15.0 W   NA

04:00

-1.3 10.4 WSW   NA

05:00

2.3 10.4 WSW   NA

06:00

94.4 29.9 NNW 38.0 NA

07:00

41.3 26.5 NNW 38.0 NA

08:00

28.6 24.2 NW 34.5 NA

09:00

15.5 18.4 NW   0.00 IN

10:00

8.0 33.4 NW 41.4 0.00 IN

11:00

13.1 32.2 NNW 43.7 NA

12:00

13.3 32.2 NNW 43.7 NA

13:00

13.1 27.6 NNW 35.7 NA

14:00

52.1 27.6 NW 34.5 NA

15:00

20.7 21.9 NW   NA

16:00

36.9 16.1 NNW   NA

17:00

15.0 12.7 NNW   NA

18:00

6.7 16.1 NNW   NA

19:00

6.2 11.5 NNW   NA

20:00

22.1 9.2 WNW   NA

21:00

9.6 5.8 WNW   NA

22:00

13.2 5.8 W   NA

23:00

7.9 6.9 WNW   NA

24:00

10.3 6.9 W   NA

Averages

17.9 17.8      

 

PM10 24 hour Concentration = 17.9 ug/m3 Credit Union (West Rapid City)

PM10 24 hour Standard = 150 ug/m3

4oiGIFNEIEJJVCBEZXRlY3Rpb24=