Study Links Air Pollution to Texas Cancer Rates

A University of Texas at Dallas analysis of all 254 Texas counties found pollution and cancer prevalence tend to cluster together geographically.

Updated on Nov. 6, 2026 in Cancer

Photograph of a row of loblolly pines receding into a hazy East Texas horizon, with a distant industrial flare stack releasing a thin plume of smoke. — A University of Texas at Dallas analysis of all 254 Texas counties found air pollution and cancer prevalence cluster together, with East Texas showing elevated pollutant levels. AI Illustration. Upload story photo >

Researchers at UT Dallas examined satellite data on eight air pollutants from 2022 alongside CDC cancer prevalence data across Texas counties. The study, published online March 5 in Environmental Monitoring and Assessment, found counties with higher pollutant concentrations tended to have higher cancer prevalence.

Why it matters

Ground-based pollution monitoring is costly, which has limited spatial analyses of this kind, so satellite data offers a lower-cost way to map exposure across a large state. The findings point to where cancer and pollution may overlap for Texans, though the study does not establish that pollution causes the disease.

The analysis drew on CDC county cancer prevalence figures and satellite readings for eight air pollutants from 2022 across 254 counties. Sulfur dioxide emerged as the strongest environmental predictor, but the authors note satellite data may be less precise than ground monitoring and the link is not uniform across all locations.

The players

University of Texas at Dallas

A public research university in Richardson, Texas, whose researchers conducted the study.

Centers for Disease Control and Prevention

The U.S. federal public health agency that supplied the county cancer prevalence data used in the analysis.

The details

Researchers combined satellite remote sensing, geographic analysis and machine learning, controlling for socioeconomic and other variables. East Texas counties showed elevated concentrations of several pollutants, and high-prevalence counties tended to sit near other high-prevalence counties.

March 5: Study published online in Environmental Monitoring and Assessment.
2022: Satellite pollution data collected for the eight air pollutants studied.

Health Landscape

Spatial analyses using remote-sensing data have been constrained by the expense of ground-based pollution collection, so this study extends satellite-based exposure mapping to county-level cancer prevalence across Texas. It adds to a growing body of work testing whether low-cost satellite measurements can support population-level environmental health research.

For Texans living in East Texas or other higher-concentration counties, the findings highlight where pollution exposure may be elevated, though they do not indicate individual risk. The study does not change any recommended screening or treatment, and residents should continue following standard cancer screening guidance.

The takeaway

Environmental exposure is one of several factors researchers are trying to map alongside cancer rates, and county-level tools may help identify areas for further study. Readers concerned about local air quality can check state and federal air monitoring data for their own county.