Zip Code 91342

📍 Sylmar, CA

Toxic Air Emissions Report (2024)

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

32.97 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in Sylmar, CA released over 32.97 lbs of pollutants. The primary source was SIERRACIN/SYLMAR CORP, which emitted n-Butyl alcohol into the local air. Air quality in 91342 is relatively consistent with regional baselines.

Top Polluting Facilities

SIERRACIN/SYLMAR CORP

Owned by: PPG INDUSTRIES INC

n-Butyl alcohol released to air

28.6 lbs

LBS
SIERRACIN/SYLMAR CORP

Owned by: PPG INDUSTRIES INC

Diisocyanates released to air

4.37 lbs

LBS

Nearby Pollution Sources (< 20 miles)

Van Nuys, CA (91406) 7.9 mi away

Heavy Industrial Activity

63,650.00 lbs

Annual Emissions
Chatsworth, CA (91311) 9.7 mi away

Heavy Industrial Activity

2,431.08 lbs

Annual Emissions
Los Angeles, CA (90039) 16.6 mi away

Heavy Industrial Activity

624.00 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 91340

😷

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 n-Butyl alcohol.

View Recommended HEPA Filters →

Chemical Breakdown

Top 5 Pollutants by Weight

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