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Table 1

PM1 aerosol composition measured at KIST, along with meteorological parameters and calculated ALW. Means ± standard deviations with the number of values in the mean in parentheses. DOI: https://doi.org/10.1525/elementa.424.t1

April–June MeanDynamic PeriodStagnant PeriodTransport PeriodBlocking Period

 
POA (μg m–33.85 ± 3.18
(11605) 
3.35 ± 3.25
(2803) 
4.17 ± 2.66
(1200) 
4.57 ± 3.29
(1478) 
3.19 ± 2.26
(1858) 
Black Carbon (μg m–31.52 ± 0.82
(28758) 
1.21 ± 0.70
(7090) 
1.74 ± 0.83
(2879) 
2.09 ± 0.88
(3639) 
1.48 ± 0.81
(4553) 
Ammonium (μg m–32.56 ± 2.16
(14403) 
1.60 ± 1.16
(3562) 
2.14 ± 2.28
(1440) 
5.54 ± 2.78
(1821) 
2.07 ± 1.06
(2276) 
Sulfate (μg m–34.40 ± 3.26
(14403) 
2.99± 1.83
(3562) 
3.25 ± 2.72
(1440) 
9.50 ± 4.12
(1821) 
3.92 ± 1.52
(2276) 
Nitrate (μg m–33.78 ± 4.20
(14403) 
2.30 ± 2.58
(3562) 
3.66 ± 4.95
(1440) 
8.20 ± 5.86
(1821) 
2.70 ± 2.33
(2276) 
SOA (μg m–35.91 ± 4.63
(11605) 
4.78 ± 2.98
(2803) 
10.4 ± 6.06
(1200) 
8.04 ± 3.69
(1478) 
5.51 ± 2.79
(1858) 
Total PM1 (μg m–322.1 ± 13.0
(14403) 
16.3 ± 8.80
(3562) 
25.4 ± 12.5
(1440) 
38.0 ± 15.6
(1821) 
18.9 ± 7.89
(2276) 
Temperature (°C) 19.7 ± 4.5
(10773) 
17.2 ± 5.0
(3562) 
22.0 ± 5.0
(1439) 
20.1 ± 3.4
(1820) 
22.3 ± 3.3
(2275) 
Relative Humidity (%) 60.1 ± 21.3
(10773) 
66.3 ± 22.4
(3562) 
40.5 ± 17.9
(1439) 
70.2 ± 16.4
(1820) 
61.3 ± 17.2
(2275) 
ALW (μg m–312.5 ± 21.9
(10773) 
11.4 ± 21.6
(3562) 
3.8 ± 7.3
(1439) 
29.8 ± 30.4
(1820) 
9.5 ± 18.3
(2275) 
April–June MeanDynamic PeriodStagnant PeriodTransport PeriodBlocking Period

 
POA (μg m–33.85 ± 3.18
(11605) 
3.35 ± 3.25
(2803) 
4.17 ± 2.66
(1200) 
4.57 ± 3.29
(1478) 
3.19 ± 2.26
(1858) 
Black Carbon (μg m–31.52 ± 0.82
(28758) 
1.21 ± 0.70
(7090) 
1.74 ± 0.83
(2879) 
2.09 ± 0.88
(3639) 
1.48 ± 0.81
(4553) 
Ammonium (μg m–32.56 ± 2.16
(14403) 
1.60 ± 1.16
(3562) 
2.14 ± 2.28
(1440) 
5.54 ± 2.78
(1821) 
2.07 ± 1.06
(2276) 
Sulfate (μg m–34.40 ± 3.26
(14403) 
2.99± 1.83
(3562) 
3.25 ± 2.72
(1440) 
9.50 ± 4.12
(1821) 
3.92 ± 1.52
(2276) 
Nitrate (μg m–33.78 ± 4.20
(14403) 
2.30 ± 2.58
(3562) 
3.66 ± 4.95
(1440) 
8.20 ± 5.86
(1821) 
2.70 ± 2.33
(2276) 
SOA (μg m–35.91 ± 4.63
(11605) 
4.78 ± 2.98
(2803) 
10.4 ± 6.06
(1200) 
8.04 ± 3.69
(1478) 
5.51 ± 2.79
(1858) 
Total PM1 (μg m–322.1 ± 13.0
(14403) 
16.3 ± 8.80
(3562) 
25.4 ± 12.5
(1440) 
38.0 ± 15.6
(1821) 
18.9 ± 7.89
(2276) 
Temperature (°C) 19.7 ± 4.5
(10773) 
17.2 ± 5.0
(3562) 
22.0 ± 5.0
(1439) 
20.1 ± 3.4
(1820) 
22.3 ± 3.3
(2275) 
Relative Humidity (%) 60.1 ± 21.3
(10773) 
66.3 ± 22.4
(3562) 
40.5 ± 17.9
(1439) 
70.2 ± 16.4
(1820) 
61.3 ± 17.2
(2275) 
ALW (μg m–312.5 ± 21.9
(10773) 
11.4 ± 21.6
(3562) 
3.8 ± 7.3
(1439) 
29.8 ± 30.4
(1820) 
9.5 ± 18.3
(2275) 

Abreviations: POA = Primary Organic Aerosol, SOA = Secondary Organic Aerosol, PM1 = Particulate Matter with aerodynamic diameters <1 µm, ALW = Aerosol Liquid Water.

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