Key Takeaways
- 185 deaths in 2022 were attributed to occupational exposure to air pollution from oil and gas production in the four US states with the largest oil and gas presence (California, Pennsylvania, Texas, and New York), per a 2022 peer-reviewed analysis
- 10.3% of workers in the US were estimated to have had occupational exposure to silica in 2017 (a carcinogenic exposure relevant to multiple industrial processes in petrochemical regions)
- 23% of 193 countries’ cancer-related deaths were attributed to air pollution in 2016 (global estimate; relevant for exposure basins around heavy industry)
- In EPA’s 2014 NATA, estimated cancer risk exceeded 100 in 1 million (10^-4) for a portion of the population in the Houston-Galveston-Brazoria area (higher risk slice)
- TRI 2022 identified 2,200 facilities releasing 1,000+ pounds of TRI chemicals to air (high emitters within reporting scope)
- 62 refineries operated in the US in 2023, per EIA’s count (petrochemical feedstock ecosystem that includes Gulf Coast refineries)
- The Gulf Coast accounted for 53% of US refining capacity in 2023 (regional industrial footprint relevant to Cancer Alley)
- In 2023, US crude oil refinery inputs averaged 16.0 million barrels per day (operational scale relevant to petrochemical corridor pollution)
- The US Clean Air Act requires New Source Review (NSR) permits when constructing/modifying major sources above emission thresholds (permitting requirement quantity)
- US EPA’s Risk Management Program (RMP) applies to facilities with regulated substances above threshold quantities; in 2023, there were 12,000+ RMP-regulated facilities nationwide (facility compliance count)
- OSHA’s Process Safety Management (PSM) standard applies to facilities with certain threshold quantities of highly hazardous chemicals; PSM requires process safety audits at least every 3–5 years (control cadence)
- Approximately $4.5 billion of investment was announced for new petrochemical projects in the US Gulf Coast announced in 2024 (investment amount context for projects that drive emissions and jobs)
- In 2022, chemical manufacturing sales were $582 billion in the US (sales value)
- In 2021, petroleum and coal products manufacturing accounted for about $2.0 trillion in output value in the US (industry economic scale)
- 40.6% of US adults reported that they have ever had a cancer diagnosis (age-adjusted, 2019–2021), indicating substantial baseline prevalence relevant to any region’s cancer burden
Cancer and air pollution risks remain dangerously high in industrial corridors, with millions of deaths worldwide and rising exposure.
Health Impacts
Health Impacts Interpretation
Emissions & Releases
Emissions & Releases Interpretation
Industry Trends
Industry Trends Interpretation
Regulation & Compliance
Regulation & Compliance Interpretation
Economics & Jobs
Economics & Jobs Interpretation
Health Burden
Health Burden Interpretation
Community Exposure
Community Exposure Interpretation
Industrial Emissions
Industrial Emissions Interpretation
Investment & Capacity
Investment & Capacity Interpretation
How We Rate Confidence
Every statistic is queried across four AI models (ChatGPT, Claude, Gemini, Perplexity). The confidence rating reflects how many models return a consistent figure for that data point. Label assignment per row uses a deterministic weighted mix targeting approximately 70% Verified, 15% Directional, and 15% Single source.
Only one AI model returns this statistic from its training data. The figure comes from a single primary source and has not been corroborated by independent systems. Use with caution; cross-reference before citing.
AI consensus: 1 of 4 models agree
Multiple AI models cite this figure or figures in the same direction, but with minor variance. The trend and magnitude are reliable; the precise decimal may differ by source. Suitable for directional analysis.
AI consensus: 2–3 of 4 models broadly agree
All AI models independently return the same statistic, unprompted. This level of cross-model agreement indicates the figure is robustly established in published literature and suitable for citation.
AI consensus: 4 of 4 models fully agree
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
Rachel Svensson. (2026, February 13). Cancer Alley Statistics. Gitnux. https://gitnux.org/cancer-alley-statistics
Rachel Svensson. "Cancer Alley Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/cancer-alley-statistics.
Rachel Svensson. 2026. "Cancer Alley Statistics." Gitnux. https://gitnux.org/cancer-alley-statistics.
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