South Dakota's Department of Agriculture and DENR have merged.
You are viewing an archived site, please update bookmarks and visit our new website at DANR.sd.gov.
SOUTH DAKOTA Department of
Agriculture & Natural Resources

Protecting South Dakota's Tomorrow...Today!
Joe Foss Building
523 E Capitol Ave
Pierre, SD 57501-3182
Contact Us  Field Offices
SubMenu

Air Quality

 

Air Quality Alert - High Winds
January 13, 2021
(PM10 Concentration and Meteorological Observations)
Click here for a graphical representation

Date and Time Issued: January 13, 2021  12:06 PM MDT 
Date Issued for:

January 13, 2021, 2021  6:00 PM MDT

Date and Time Cancelled: January 15, 2021  12:00 PM MDT
PM Concentrations location: Credit Union
Weather Observations: Rapid City Regional Airport

Time

PM10
Concentration

Wind Speed

Direction

Peak Wind

Precipitation

(military)

(Credit Union -ug/m3)

(mph)

 

(mph >30)

(inches)

01:00

8.9 7 WNW 0 NA

02:00

10.1 9 NW 0 NA

03:00

8.8 7 NW 0 NA

04:00

31.5 9 WNW 0 NA

05:00

12.3 10 WNW 0 NA

06:00

6.9 8 WNW 0 NA

07:00

8.6 7 WNW 0 NA

08:00

16.2 8 WNW 0 NA

09:00

24 5 W 0 NA

10:00

18.5 3 SE 0 NA

11:00

42.9 6 ESE 0 NA

12:00

43.2 5 ENE 0 NA

13:00

48.5 6 ESE 0 NA

14:00

47.5 0 Calm 0 NA

15:00

132.3 0 Calm 0 NA

16:00

172.8 0 Calm 0 NA

17:00

115.4 5 VAR 0 NA

18:00

742.9 48 NNW 66 NA

19:00

41.5 40 NW 62 NA

20:00

38.2 26 NW 40 NA

21:00

123.6 37 NNW 51 NA

22:00

88.7 35 NW 48 NA

23:00

46.8 38 NW 52 NA

24:00

311.8 40 NW 61 NA

Averages

89.2 15 18    

 

PM10 24 hour Concentration = 89.2 ug/m3 Credit Union (West Rapid City)

PM10 24 hour Standard = 150 ug/m3

4oiGIFNEIEJJVCBEZXRlY3Rpb24=