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Publications and data

GridEX

Fard P, Hügel J, Conte Keivabu R, Dominici F, Zagheni E, Estiri H, Patel CJ. Developing a spatiotemporal repository of extreme heat and cold exposure in the United States for precision public health research. Environmental Science & Technology. 2025;59(37):19872–19884. doi:10.1021/acs.est.5c03658

The GridEX paper. Data: Harvard Dataverse, Figshare. Code: github.com/epedram/us_ehe_ece. Catalog: interactive explorer.

Fard P, Chung MKJ, Estiri H, Patel CJ. Spatio-temporal interpolation and delineation of extreme heat events in California between 2017 and 2021. Environmental Research. 2023;237(Pt 2):116984. doi:10.1016/j.envres.2023.116984

The method GridEX builds on. Code: github.com/epedram/ehmi.

Health studies using GridEX

McGrath BM, Georgescu J, Fard P, Gold R, Heintzman J, Patel CJ, Tandon R, Albright K, Estiri H. Extreme heat exposure and blood pressure in community health center patients. JAMA Network Open. 2026;9(9). doi:10.1001/jamanetworkopen.2026.33066

GridEX linked to the OCHIN network of community health centers. See the news post.