Zip Code 92021
📍 El Cajon, CA
Toxic Air Emissions Report (2024)
Data Source: EPA TRI (2024) • Updated Nov 2025
0.13 lbs
State Score
91
/ 100
National Score
94
/ 100
In 2024, industrial facilities in El Cajon, CA released over 0.13 lbs of pollutants. The primary source was SENIOR AEROSPACE KETEMA DIV, which emitted Nickel into the local air. Air quality in 92021 is relatively consistent with regional baselines.
Top Polluting Facilities
- SENIOR AEROSPACE KETEMA DIV Cancer RiskOwned by: SENIOR OPERATIONS PLCNickel released to air0.118 lbsLBS
- SENIOR AEROSPACE KETEMA DIVOwned by: SENIOR OPERATIONS PLCChromium released to air0.015 lbsLBS
Nearby Pollution Sources (< 20 miles)
- San Diego, CA (92113) 14.0 mi awayHeavy Industrial Activity128,851.00 lbsAnnual Emissions
- San Diego, CA (92135) 15.4 mi awayHeavy Industrial Activity33,733.00 lbsAnnual Emissions
- San Diego, CA (92154) 18.8 mi awayHeavy Industrial Activity25,882.71 lbsAnnual Emissions
Check Nearby Zip Codes
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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 Chromium.
View Recommended HEPA Filters →Chemical Breakdown
Top 5 Pollutants by Weight
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