Zip Code 92020

📍 El Cajon, CA

Toxic Air Emissions Report (2024)

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

6,378.00 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in El Cajon, CA released over 6,378.00 lbs of pollutants. The primary source was GKN AEROSPACE CHEM-TRONICS INC, which emitted Hydrogen fluoride into the local air. Air quality in 92020 is relatively consistent with regional baselines.

Top Polluting Facilities

GKN AEROSPACE CHEM-TRONICS INC

Owned by: GKN AEROSPACE US HOLDINGS LLC (DELAWARE LLC)

Hydrogen fluoride released to air

3,843.00 lbs

LBS
GKN AEROSPACE CHEM-TRONICS INC

Owned by: GKN AEROSPACE US HOLDINGS LLC (DELAWARE LLC)

Nitric acid released to air

1,273.00 lbs

LBS
GKN AEROSPACE CHEM-TRONICS INC

Owned by: GKN AEROSPACE US HOLDINGS LLC (DELAWARE LLC)

Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) released to air

1,256.00 lbs

LBS
GKN AEROSPACE CHEM-TRONICS INC

Owned by: GKN AEROSPACE US HOLDINGS LLC (DELAWARE LLC)

Copper compounds released to air

2 lbs

LBS
EL CAJON PLANT 29

Owned by: MCC DEVELOPMENT CORP

Lead compounds released to air

1.99965 lbs

LBS
GKN AEROSPACE CHEM-TRONICS INC

Owned by: GKN AEROSPACE US HOLDINGS LLC (DELAWARE LLC)

Chromium compounds (except for chromite ore mined in the Transvaal Region) released to air

1 lbs

LBS
GKN AEROSPACE CHEM-TRONICS INC Cancer Risk

Owned by: GKN AEROSPACE US HOLDINGS LLC (DELAWARE LLC)

Nickel compounds released to air

1 lbs

LBS

Nearby Pollution Sources (< 20 miles)

San Diego, CA (92113) 10.9 mi away

Heavy Industrial Activity

128,851.00 lbs

Annual Emissions
San Diego, CA (92135) 12.3 mi away

Heavy Industrial Activity

33,733.00 lbs

Annual Emissions
San Diego, CA (92154) 16.2 mi away

Heavy Industrial Activity

25,882.71 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 92021

😷

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

Share This Report

Help guide others to cleaner air.