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Air Quality

 

Air Quality Alert - High Winds
October 2, 2013
(PM10 Concentration and Meteorological Observations)
Click here for a graphical representation

Date and Time Issued: October 2, 2013  8:44 AM MDT 
Date Issued for:

October 2, 2013 8:44 AM MDT

Date and Time Cancelled: October 2, 2013  3:00 PM MDT
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

9.6 9.2 SSE   NA

02:00

19.1 3.5 SE   NA

03:00

21.5 11.5 SSE   NA

04:00

70.4 12.7 N   NA

05:00

59.9 21.9 N   NA

06:00

35.5 26.5 NNW 36.8 NA

07:00

49.7 29.9 NNW 38.0 NA

08:00

65.9 32.2 NNW 47.2 NA

09:00

102.2 33.4 NNW 27.2 NA

10:00

92.4 34.5 NNW 44.9 NA

11:00

68.7 26.5 NNW 38.0 NA

12:00

58.5 21.9 NNW 32.2 NA

13:00

93.6 20.7 N   NA

14:00

102.1 19.6 N   NA

15:00

99.2 17.3 N   NA

16:00

95.9 11.5 N   NA

17:00

62.1 8.1 NNE   NA

18:00

146.4 6.9 NE   NA

19:00

149.8 8.1 NNE   NA

20:00

41.9 6.9 NE   NA

21:00

11.5 8.1 NE   NA

22:00

32.5 9.2 NE   NA

23:00

17.3 6.9 ENE   NA

24:00

14.3 3.5 E   NA

Averages

63.3 16.3      

PM10 24 hour Concentration = 63.3 ug/m3 Credit Union (West Rapid City)

PM10 24 hour Standard = 150 ug/m3

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