Bayamón Municipio, PR

ZIP 00961

In ZIP 00961, 4 of the 12 things we check have at least one part graded D or F.

• Nearest Superfund site: Naval Security Group Activity, 1.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Super Asphalt Guaynabo Plant (44%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 8.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 00961

• Superfund sites nearbyD
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Air qualityD
• Past wildfire impactsA
• Past flood impactsC to D

Based on 10 census tracts · compiled September 10, 2026 · how each grade works and its sources

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