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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Inhal Toxicol. 2012 Oct;24(12):831–838. doi: 10.3109/08958378.2012.724117

Table 3.

Correlation (Pearson coefficients) between each hourly pollutant concentration and meteorology.

Pollutant/Meteorology UFP PM2.5 Ozone CO Temperature Relative Humidity
PM2.5 0.19 ---
Ozone −0.04 0.60 ---
CO 0.12 0.19 0.35 ---
Temperature −0.20 0.62 0.67 0.29 ---
Relative Humidity −0.25 0.21 −0.50 −0.21 −0.23 ---
Barometric Pressure 0.38 0.28 0.04 −0.07 0.02 −0.30