Skip to main content
. 2013 Oct 27;2013:539568. doi: 10.1155/2013/539568

Table 1.

Descriptive statistics for sets of 1-hour (1 h) number concentrations of PM in Zabrze.

Impactor stagea Period Number of 1 h concentrationc Time coverage Min.
(1/cm3)		 Max.
(1/cm3)		 Arithmetic mean
(1/cm3)		 Standard deviation
(1/cm3)		 25th percentile
(1/cm3)		 Median
(1/cm3)		 75th percentile
(1/cm3)
0.028 MPb 5310 79.02 0 28384.85 1371.99 1237.34 560.46 1033.41 1771.27
Sb 3544 80.69 0 28384.85 1278.74 1203.52 523.62 949.54 1662.41
Wb 1766 75.86 31.08 8327.33 1559.14 1282.26 665.17 1197.88 1971.05
0.056 MPb 5310 79.02 0.88 16029.78 1393.02 1213.68 583.46 1038.97 1778.77
Sb 3544 80.69 0.88 16029.78 1183.3 945.08 535.59 928.68 1532.3
Wb 1766 75.86 52.86 11797.33 1813.88 1539.9 733.95 1353.75 2428.77
0.095 MPb 5310 79.02 0.11 11696.4 1095.46 1068.7 435.62 788.77 1364.62
Sb 3544 80.69 0.11 5890.98 839.54 645.6 385.89 656.22 1101.94
Wb 1766 75.86 40.42 11696.4 1609.04 1484.08 638.22 1160.83 2047.33
0.157 MPb 5310 79.02 0 10527.43 1048.02 1006.06 431.01 736.69 1294.71
Sb 3544 80.69 0 5792.17 796.79 599.59 390.39 620.32 1022.84
Wb 1766 75.86 36.22 10527.43 1552.18 1393.23 611.02 1141.64 1954.01
0.263 MPb 5310 79.02 0 7630.67 703.28 751.47 266.3 444.91 844.75
Sb 3544 80.69 0 4611.7 470.64 373.48 233.6 362.92 576.57
Wb 1766 75.86 23.28 7630.67 1170.15 1044.74 454.13 860.67 1495.18
0.384 MPb 5310 79.02 0 17493.35 437.58 561.78 147.61 260.37 519.61
Sb 3544 80.69 0 17493.35 278.9 414.94 125.48 199 321.45
Wb 1766 75.86 27.85 4991.05 756.01 671.94 308.15 551.11 931.84
0.617 MPb 5310 79.02 0 1650.12 134.19 173.97 35.18 69.42 161.02
Sb 3544 80.69 0 892.51 77.78 97.28 27.29 46.56 83.45
Wb 1766 75.86 10.61 1650.12 247.39 229.8 101.96 172.83 296.2
0.954 MPb 5310 79.02 0 539.66 35.09 53.9 5 13.4 44.19
Sb 3544 80.69 0 258.86 16.77 27.92 3.36 7.17 16.03
Wb 1766 75.86 0.33 539.66 71.85 71.75 25.75 50.53 88.06
1.61 MPb 5310 79.02 0 114.04 6.42 10.12 1.25 2.61 7.54
Sb 3544 80.69 0 47.36 3.07 4.48 0.94 1.64 3.02
Wb 1766 75.86 0.38 114.04 13.15 14.14 4.41 8.68 15.64
2.41 MPb 5310 79.02 0 40.25 2.15 3.42 0.52 0.99 2.34
Sb 3544 80.69 0 14.24 1.09 1.36 0.4 0.68 1.17
Wb 1766 75.86 0.14 40.25 4.27 4.96 1.46 2.59 4.96
4.02 MPb 5310 79.02 0 5.71 0.3 0.5 0.07 0.15 0.32
Sb 3544 80.69 0 2.79 0.17 0.23 0.04 0.1 0.19
Wb 1766 75.86 0 5.71 0.57 0.74 0.18 0.3 0.63
6.63 MPb 5310 79.02 0 13.47 0.16 0.31 0.04 0.09 0.17
Sb 3544 80.69 0 13.47 0.11 0.3 0.03 0.06 0.12
Wb 1766 75.86 0 2.28 0.25 0.31 0.09 0.13 0.28

aCut-off diameter of the impactor stage to which the line refers.

bMP: measurement period: January 1, 2010–October 7, 2010; S: summer, April 1, 2010–September 30, 2010; W: winter: January 1, 2010–March 31, 2010, and October 1, 2010–October 7, 2010.

cArithmetic means for hours with at least 45 1-minute measurements.