Fig. 1From: Assessing additive effects of air pollutants on mortality rate in MassachusettsProbabilities of death (and 95% CIs) attribute to 1 μg·m− 3 increase in PM2.5, 1 ppb increase in O3, or 1 ppb increase in NO2 at levels below increasingly stringent cutpoints. “Full range” indicates the analysis was performed on the full datasetBack to article page