Environmental Health and Preventive Medicine

Table 2 Pearson’s correlation coefficients for daily mean fine particulate matter (PM_2.5) concentrations among monitoring stations in Fukuoka, 2014

From: Comparison between air pollution concentrations measured at the nearest monitoring station to the delivery hospital and those measured at stations nearest the residential postal code regions of pregnant women in Fukuoka

Monitoring station^a	In Fukuoka city					Outside Fukuoka city
Monitoring station^a	Yoshizuka	a	b	c	d	e	f	g	h	i	j	k	l	m	n	o	p	q
Yoshizuka	1
a	0.99	1
b	0.97	0.98	1
c	0.97	0.97	0.97	1
d	0.96	0.96	0.96	0.96	1
e	0.95	0.95	0.96	0.93	0.91	1
f	0.94	0.94	0.96	0.93	0.94	0.95	1
g	0.94	0.94	0.94	0.94	0.92	0.95	0.95	1
h	0.93	0.92	0.93	0.89	0.87	0.97	0.92	0.91	1
i	0.94	0.93	0.94	0.92	0.90	0.96	0.93	0.95	0.94	1
j	0.93	0.92	0.92	0.89	0.87	0.95	0.90	0.88	0.97	0.92	1
k	0.82	0.79	0.78	0.75	0.72	0.82	0.75	0.72	0.88	0.78	0.93	1
l	0.96	0.95	0.94	0.94	0.93	0.92	0.92	0.95	0.90	0.95	0.88	0.74	1
m	0.92	0.91	0.91	0.91	0.89	0.91	0.90	0.94	0.89	0.95	0.87	0.72	0.96	1
n	0.93	0.93	0.92	0.93	0.92	0.89	0.90	0.93	0.86	0.93	0.84	0.68	0.97	0.96	1
o	0.92	0.92	0.92	0.92	0.91	0.90	0.90	0.93	0.87	0.94	0.85	0.70	0.97	0.97	0.98	1
p	0.88	0.88	0.87	0.88	0.86	0.89	0.87	0.92	0.87	0.93	0.82	0.65	0.92	0.97	0.93	0.94	1
q	0.87	0.87	0.87	0.82	0.80	0.91	0.86	0.84	0.93	0.89	0.94	0.89	0.84	0.83	0.79	0.80	0.79	1

^aThe locations of monitoring stations from a to q are shown in Fig. 1. The alphabetical order reflects the distance from the Yoshizuka station (i.e. a is the nearest station and q is the farthest station from the Yoshizuka station)

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