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Air Quality

 

Air Quality Alert - High Winds
March 16, 2015
(PM10 Concentration and Meteorological Observations)
Click here for a graphical representation

Date and Time Issued: March 16, 2015  2:36 AM MDT 
Date Issued for:

March 16, 2015  late morning

Date and Time Cancelled: March 16, 2015  early evening
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

3.9 4.6 NNE   NA

02:00

8.1 12.7 N   NA

03:00

31.7 6.9 N   NA

04:00

89.0 16.1 N   NA

05:00

173.5 20.7 N   NA

06:00

125.6 18.4 N   NA

07:00

405.9 20.7 N   NA

08:00

351.4 17.3 N   NA

09:00

128.2 10.4 NNW   NA

10:00

155.5 21.9 N   NA

11:00

234.9 16.1 N   NA

12:00

311.2 26.5 N 34.5 0.00

13:00

553.6 29.9 N 35.7 0.00

14:00

248.4 27.6 N 35.7 NA

15:00

192.3 26.5 N 34.5 NA

16:00

159.9 20.7 N   NA

17:00

125.1 21.9 N   NA

18:00

58.1 17.3 N   NA

19:00

82.0 18.4 NNE   NA

20:00

140.1 17.3 NNE   NA

21:00

136.5 15.0 NNE   NA

22:00

84.6 8.1 NNE   NA

23:00

75.3 4.6 N   NA

24:00

66.7 calm calm   NA

Averages

164.2 17.4      

 

PM10 24 hour Concentration = 164.2 ug/m3 Credit Union (West Rapid City)

PM10 24 hour Standard = 150 ug/m3

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