Table 2.

Correlation between asthma outpatient visits and air pollutants, weather conditions.

Asthma Visits	PM10	SO2	O3	NO2	Dew point	Temperature
Asthma Visits 1	0.13**	0.15**	-0.02	0.25**	-0.16**	-0.17**
PM10	1	0.55**	0.31**	0.59**	-0.25**	-0.15**
SO2		1	0.01	0.63**	0.17**	0.22**
O3			1	-0.02	-0.26**	-0.1**
NO2				1	-0.16**	-0.22**
Dew point					1	0.91**
Temperature						1

** Correlation is significant at the 0.01 level (2-tailed).

Asthma Visits: All age asthma outpatient visits.