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Air Quality

 

Air Quality Alert - High Winds
November 1, 2018
(PM10 Concentration and Meteorological Observations)
Click here for a graphical representation

Date and Time Issued: November 1, 2018   3:35 AM MDT 
Date Issued for:

November 1, 2018   Noon MDT

Date and Time Cancelled: November 1, 2018   7:00 PM MDT
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

13.4 0.0 CALM   NA

02:00

19.8 0.0 CALM   NA

03:00

19.4 5.0 WNW   NA

04:00

10.0 9.0 NW   NA

05:00

9.5 9.0 WNW   NA

06:00

10.0 8.0 NNW   NA

07:00

59.8 7.0 W   NA

08:00

84.3 9.0 NNW   NA

09:00

34.1 7.0 NNW   NA

10:00

18.7 3.0 NW   NA

11:00

48.2 7.0 WNW   NA

12:00

45.3 22.0 NNW 30.0 NA

13:00

67.2 29.0 NW 38.0 NA

14:00

56.2 24.0 NNW 36.0 NA

15:00

55.2 23.0 NNW 37.0 NA

16:00

6.9 40.0 NNW 49.0 NA

17:00

6.7 22.0 NW   NA

18:00

9.8 22.0 NNW 30.0 NA

19:00

23.8 20.0 NNW   NA

20:00

9.1 23.0 NNW 35.0 NA

21:00

14.7 23.0 NNW 31.0 NA

22:00

10.3 23.0 NNW 33.0 NA

23:00

5.1 24.0 NNW 30.0 NA

24:00

6.9 22.0 NNW 30.0 NA

Averages

26.9 15.9      

 

PM10 24 hour Concentration = 26.9 ug/m3 Credit Union (West Rapid City)

PM10 24 hour Standard = 150 ug/m3

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