Table 1 Elemental concentration in fine and coarse PM fraction in both sampling station and sampling period. (n = number; Std. = standard deviation; Min. = minimum value; Max. = maximum value)

Local 1

Summer

Winter

Coarse PM

n

Mean

Std

Min

Max

n

Mean

Std

Min

Max

(µg.m⁻³)

(µg.m⁻³)

Cl

16

2.260

1.255

0.625

5.309

28

2.146

1.739

0.357

6.632

Fe

16

40.55

33.74

2.910

116.2

28

9.931

8.049

1.947

31.72

Na

12

0.584

0.590

0.044

1.686

27

0.393

0.324

0.050

1.252

S

16

1.241

0.828

0.420

3.014

28

0.396

0.207

0.167

0.875

Fine PM

Cl

16

0.227

0.253

0.012

0.796

27

0.191

0.182

0.022

0.628

Fe

16

5.504

3.544

0.598

12.62

27

1.691

1.456

0.056

5.880

Na

12

0.323

0.324

0.029

0.925

20

0.106

0.091

0.010

0.342

S

16

1.319

0.653

0.328

2.234

27

0.361

0.259

0.056

1.124

Local 2

Summer

Winter

Coarse PM

n

Mean

Std

Min

Max

n

Mean

Std

Min

Max

(µg.m⁻³)

(µg.m⁻³)

Cl

18

5.933

1.606

2.703

9,042

18

4.530

1.461

2.448

7.128

Fe

18

3.35

3.001

0.260

9,341

18

1.209

0.871

0.217

3.361

Na

18

1.336

0.354

0.665

2,350

18

0.907

0.278

0.459

1.484

S

18

0.812

0.257

0.373

1,396

18

0.601

0.166

0.366

0.907

Fine PM

Cl

17

0.160

0.187

0.004

0.746

18

0.213

0.130

0.035

0.486

Fe

17

0.172

0.208

0.022

0.749

18

0.354

0.345

0.042

1.146

Na

14

0.131

0.096

0.023

0.410

18

0.119

0.078

0.010

0.267

S

17

0.324

0.303

0.032

1.288

18

0.350

0.224

0.088

0.941