Register For HEI's Annual Conference 2025

Sunday, May 4 - Tuesday, May 6, 2025 at the Austin Marriott Downtown Hotel in Austin, Texas.

"Direct" Approach Evaluates Air Quality Interventions

May 31, 2016

HEI Research Report 187, Causal Inference Methods for Estimating Long-Term Health Effects of Air Quality Regulations, was funded as part of HEI’s Accountability research program, aimed at understanding whether actions to improve air quality have resulted in improved health outcomes.