Zip Code 46221

📍 Indianapolis, IN

Toxic Air Emissions Report (2024)

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

27,937.00 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in Indianapolis, IN released over 27,937.00 lbs of pollutants. The primary source was INGREDION INC INDIANAPOLIS PLANT, which emitted large quantities of Propylene oxide into the local air. Residents of 46221 face significantly higher exposure risks than the national average.

Top Polluting Facilities

INGREDION INC INDIANAPOLIS PLANT Cancer Risk

Owned by: INGREDION INC

Propylene oxide released to air

12,174.00 lbs

LBS
LILLY TECHNOLOGY CENTER

Owned by: ELI LILLY & CO

Acetonitrile released to air

9,045.00 lbs

LBS
INGREDION INC INDIANAPOLIS PLANT Cancer Risk

Owned by: INGREDION INC

Acetaldehyde released to air

4,539.00 lbs

LBS
LILLY TECHNOLOGY CENTER

Owned by: ELI LILLY & CO

Methyl tert-butyl ether released to air

1,744.00 lbs

LBS
LILLY TECHNOLOGY CENTER

Owned by: ELI LILLY & CO

Formic acid released to air

435.00 lbs

LBS

Nearby Pollution Sources (< 20 miles)

Fairland, IN (46126) 18.1 mi away

Heavy Industrial Activity

90,158.95 lbs

Annual Emissions
Franklin, IN (46131) 19.6 mi away

Heavy Industrial Activity

53,961.74 lbs

Annual Emissions
Pittsboro, IN (46167) 16.3 mi away

Heavy Industrial Activity

35,971.58 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 46220 Report: 46222 Report: 46219 Report: 46218 Report: 46224

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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 Acetonitrile.

View Recommended HEPA Filters →

Chemical Breakdown

Top 5 Pollutants by Weight

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