Table 9.

Results of the Spearman’s rank-order correlation

Station	Year		2016	2017	2018	2019	2020
Başöğretmen AQMS	2016	Correlation coefficient (r)	1.000	0.213*	0.199*	0.273*	0.242*
		pvalue		0.000	0.000	0.000	0.000
	2017	Correlation coefficient (r)	0.213*	1.000	0.192*	0.235*	0.218*
		pvalue	0.000		0.000	0.000	0.000
	2018	Correlation coefficient (r)	0.199*	0.192*	1.000	0.265*	0.170*
		pvalue	0.000	0.000		0.000	0.000
	2019	Correlation coefficient (r)	0.273*	0.235*	0.265*	1.000	0.258*
		pvalue	0.000	0.000	0.000		0.000
	2020	Correlation coefficient (r)	0.242*	0.218*	0.170*	0.258*	1.000
		pvalue	0.000	0.000	0.000	0.000
Meteoroloji AQMS	2016	Correlation coefficient (r)	1.000	0.148*	0.073*	0.154*	0.195*
		pvalue		0.000	0.000	0.000	0.000
	2017	Correlation coefficient (r)	0.148*	1.000	0.098*	0.171*	0.130*
		pvalue	0.000		0.000	0.000	0.000
	2018	Correlation coefficient (r)	0.073*	0.098*	1.000	0.184*	0.102*
		pvalue	0.000	0.000		0.000	0.000
	2019	Correlation coefficient (r)	0.154*	0.171*	0.183*	1.000	0.174*
		pvalue	0.000	0.000	0.000		0.000
	2020	Correlation coefficient (r)	0.195*	0.130*	0.102*	0.174*	1.000
		pvalue	0.000	0.000	0.000	0.000
İstasyon Kavşağı AQMS	2016	Correlation coefficient (r)	1.000	0.199*	0.249*	0.311*	0.260*
		pvalue		0.000	0.000	0.000	0.000
	2017	Correlation coefficient (r)	0.199*	1.000	0.223*	0.290*	0.310*
		pvalue	0.000		0.000	0.000	0.000
	2018	Correlation coefficient (r)	0.249*	0.223*	1.000	0.255*	0.238*
		pvalue	0.000	0.000		0.000	0.000
	2019	Correlation coefficient (r)	0.311*	0.290*	0.255*	1.000	0.352*
		pvalue	0.000	0.000	0.000		0.000
	2020	Correlation coefficient (r)	0.260*	0.310*	0.238*	0.352*	1.000
		pvalue	0.000	0.000	0.000	0.000

^*The correlation coefficient at the significance level is p_value < 0.01 (the difference is statistically significant at 99% significance level)