Zip Code 78220

📍 San Antonio, TX

Toxic Air Emissions Report (2024)

Data Source: EPA TRI (2024) • Updated Nov 2025

384.45 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in San Antonio, TX released over 384.45 lbs of pollutants. The primary source was AZZ GALVANIZING - SAN ANTONIO, which emitted Zinc compounds into the local air. Air quality in 78220 is relatively consistent with regional baselines.

Top Polluting Facilities

AZZ GALVANIZING - SAN ANTONIO

Owned by: AZZ INC

Zinc compounds released to air

376.91 lbs

LBS
BLUE LINE CORP

Owned by: nan

Nitric acid released to air

7.5 lbs

LBS
AZZ GALVANIZING - SAN ANTONIO

Owned by: AZZ INC

Lead compounds released to air

0.044 lbs

LBS

Nearby Pollution Sources (< 20 miles)

San Antonio, TX (78264) 16.8 mi away

Heavy Industrial Activity

126,688.96 lbs

Annual Emissions
San Antonio, TX (78223) 3.9 mi away

Heavy Industrial Activity

53,697.47 lbs

Annual Emissions
Elmendorf, TX (78112) 12.7 mi away

Heavy Industrial Activity

49,367.10 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 78219 Report: 78221 Report: 78218 Report: 78217 Report: 78223

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Protect Your Lungs

The primary pollutants detected here are likely heavy particulates. To protect your lungs, ensure you use a True HEPA (H13) filter, which captures 99.97% of airborne particles like Nitric acid.

View Recommended HEPA Filters →

Chemical Breakdown

Top 5 Pollutants by Weight

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