Zip Code 19403

📍 Norristown, PA

Toxic Air Emissions Report (2024)

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

7,324.05 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in Norristown, PA released over 7,324.05 lbs of pollutants. The primary source was AMAZON.COM SERVICES LLC, which emitted large quantities of Formic acid into the local air. Air quality in 19403 is relatively consistent with regional baselines.

Top Polluting Facilities

AMAZON.COM SERVICES LLC

Owned by: AMAZON COM SERVICES LLC

Formic acid released to air

7,324.05 lbs

LBS

Nearby Pollution Sources (< 20 miles)

Trappe, PA (19426) 4.2 mi away

Heavy Industrial Activity

246,704.06 lbs

Annual Emissions
Boyertown, PA (19512) 19.5 mi away

Heavy Industrial Activity

157,594.95 lbs

Annual Emissions
Philadelphia, PA (19137) 19.2 mi away

Heavy Industrial Activity

132,915.83 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 19406

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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 Formic acid.

View Recommended HEPA Filters →

Chemical Breakdown

Top 5 Pollutants by Weight

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