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Air Quality

 

Air Quality Alert - High Winds
October 26, 2017
(PM10 Concentration and Meteorological Observations)
Click here for a graphical representation

Date and Time Issued: October 26, 2017   1:56 AM MST 
Date Issued for:

October 26, 2017   1:56 AM MST

Date and Time Cancelled: October 26, 2017   6:00 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

394.2 31.1 N 42.6 NA

02:00

83.2 33.4 N 43.7 NA

03:00

97.8 36.8 NNW 47.2 NA

04:00

24.9 38.0 NNW 54.1 NA

05:00

30.8 48.3 NNW 63.3 0.00 IN

06:00

69.9 46.0 NW 56.4 0.00 IN

07:00

145.5 34.5 NNW 50.6 0.00 IN

08:00

50.8 40.3 NNW 47.2 NA

09:00

51.5 43.7 NNW 51.8 0.00 IN

10:00

35.6 38.0 NNW 52.9 NA

11:00

39.0 34.5 NNW 41.4 0.00 IN

12:00

21.4 27.6 NNW 36.8 0.00 IN

13:00

17.0 27.6 NNW 38.0 0.00 IN

14:00

41.0 34.5 NNW 44.9 0.00 IN

15:00

26.6 29.9 NNW 44.9 0.00 IN

16:00

16.0 29.9 N 39.1 0.00 IN

17:00

19.4 27.6 NNW 35.7 NA

18:00

8.4 29.9 N 36.8 NA

19:00

18.5 25.3 N 35.7 NA

20:00

19.4 17.3 NNW   NA

21:00

7.6 19.6 NNW   NA

22:00

7.4 20.7 NNW   NA

23:00

4.9 18.4 NW   NA

24:00

4.5 19.6 NW   NA

Averages

51.5 31.4      

 

PM10 24 hour Concentration = 51.5 ug/m3 Credit Union (West Rapid City)

PM10 24 hour Standard = 150 ug/m3

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