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Principal component analysis (PCA) factor loadings for meteorological conditions and benzo(a)pyrene concentration in aerosols in Gdynia (17.XII.2007–17.XII.2008)
| Variable | Factor 1 | Factor 2 | Factor 3 |
|---|---|---|---|
| Amount of precipitation (mm) | −0.23 | −0.02 | 0.95 |
| Wind speed (m·s−1) | −0.44 | 0.68 | 0.14 |
| Relative humidity (%) | −0.72 | −0.11 | −0.05 |
| Atmospheric pressure (mbar) | 0.13 | −0.85 | 0.18 |
| Air temperature (°C) | 0.91 | 0.11 | 0.04 |
| BaP (ng∙m−3) | −0.75 | −0.29 | −0.24 |
