Diurnal temperature range and childhood asthma: a time-series study

Table 2 Spearman’s correlation coefficients between daily weather conditions and air pollutants in Brisbane, Australia, from January 1st 2003– December 31st 2009

	Mean temperature	DTR	Relative humidity	PM₁₀	O₃
DTR	−0.55**
Relative humidity	0.39**	−0.65**
PM₁₀	0.08**	0.06**	−0.10**
O₃	0.04*	0.15**	−0.09**	0.16**
NO₂	−0.67**	0.51**	−0.33**	0.01	−0.22**

ISSN: 1476-069X