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Estimated Annual PM2.5 level (µg/m3).
12.5
9
8
7
6
5
2.5
*All values are annual estimates. These estimates are calculated via average annual particulate matter levels, local incidence rates, and known health impact functions. Statistics represent the number of health outcomes attributable to PM2.5, not all causes. All rates are based on total population, not just at-risk population. Data with confidence intervals can be provided upon request. More details on methodology can be found below.