Zip Code 93401

📍 San Luis Obispo, CA

Toxic Air Emissions Report (2024)

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

1,126.00 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in San Luis Obispo, CA released over 1,126.00 lbs of pollutants. The primary source was PROMEGA CORP, which emitted Dichloromethane into the local air. Air quality in 93401 is relatively consistent with regional baselines.

Top Polluting Facilities

PROMEGA CORP Cancer Risk

Dichloromethane released to air

1,126.00 lbs

LBS

Check Nearby Zip Codes

Report: 93437 Report: 93455 Report: 93458 Report: 93313 Report: 93311 Report: 93308

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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 Dichloromethane.

View Recommended HEPA Filters →

Chemical Breakdown

Top 5 Pollutants by Weight

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