Table 1 Spearman’s correlation between daily weather conditions, air pollutants and pediatric pneumonia in Brisbane, Australia, from 2001–2010

Mean temperature

1.00

DTR^†

-0.44*

1.00

TCN^†

0.14*

0.03

1.00

Relative humidity

-0.06*

-0.33*

0.09*

1.00

Rainfall

0.16*

-0.49*

-0.03

0.38*

1.00

PM₁₀

0.16*

0.31*

0.08*

-0.29*

-0.31*

1.00

O₃

0.03

0.20*

0.03

-0.28*

-0.07*

0.31*

1.00

NO₂

-0.67*

0.42*

-0.02

0.13*

-0.14*

0.01

-0.10*

1.00

Pneumonia

-0.37*

0.21*

-0.01

0.03

0.06*

0.07*

0.10*

0.28*

1.00