Table 2.

Correlation of PM2.5, CO, NO₂ and O₃ with the number of deaths due to SARS-CoV-2.

Deaths by Region	Environmental Pollutants	Spearman’s ρ	p-Value
Florida	Particulate matter (PM2.5)	0.04	0.948
	Carbon monoxide (CO)	0.170	0.003 *
	Nitrogen dioxide (NO2)	0.207	<0.001 *
	Ozone (O3)	0.021	0.726
Los Angeles	Particulate matter (PM2.5)	0.141	0.017 *
	Carbon monoxide (CO)	0.213	0.017 *
	Nitrogen dioxide (NO2)	0.307	<0.001 *
	Ozone (O3)	0.076	0.196
New Mexico	Particulate matter (PM2.5)	0.052	0.376
	Carbon monoxide (CO)	0.190	<0.001 *
	Nitrogen dioxide (NO2)	0.288	<0.001 *
	Ozone (O3)	0.066	0.256
New York	Particulate matter (PM2.5)	0.328	<0.001 *
	Carbon monoxide (CO)	0.431	<0.001 *
	Nitrogen dioxide (NO2)	0.468	<0.001 *
	Ozone (O3)	0.476	<0.001 *
Ohio	Particulate matter (PM2.5)	0.146	0.013 *
	Carbon monoxide (CO)	0.202	0.001 *
	Nitrogen dioxide (NO2)	0.012	0.841
	Ozone (O3)	0.407	<0.001 *

* Statistically significant at 5% level of significance.