🍃 CleanAirDB

Zip Code 82007

📍 Cheyenne, WY

Toxic Air Emissions Report (2024)

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

898.80 lbs
State Score
81
/ 100
National Score
58
/ 100

In 2024, industrial facilities in Cheyenne, WY released over 898.80 lbs of pollutants. The primary source was CHEYENNE RENEWABLE DIESEL CO LLC, which emitted Xylene (mixed isomers) into the local air. Air quality in 82007 is relatively consistent with regional baselines.

Top Polluting Facilities

  • CHEYENNE RENEWABLE DIESEL CO LLC
    Owned by: HF SINCLAIR CORP
    Xylene (mixed isomers) released to air
    311.00 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC
    Owned by: HF SINCLAIR CORP
    Toluene released to air
    167.00 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC
    Owned by: HF SINCLAIR CORP
    n-Hexane released to air
    120.00 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC
    Owned by: HF SINCLAIR CORP
    1,2,4-Trimethylbenzene released to air
    87 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC
    Owned by: HF SINCLAIR CORP
    Cyclohexane released to air
    80 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC Cancer Risk
    Owned by: HF SINCLAIR CORP
    Benzene released to air
    41 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC Cancer Risk
    Owned by: HF SINCLAIR CORP
    Ethylbenzene released to air
    41 lbs
    LBS
  • VOESTALPINE RAILWAY SYSTEMS NORTRAK INC.
    Owned by: nan
    Manganese released to air
    12.2 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC Cancer Risk
    Owned by: HF SINCLAIR CORP
    Cumene released to air
    11 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC
    Owned by: HF SINCLAIR CORP
    Propylene released to air
    10 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC
    Owned by: HF SINCLAIR CORP
    Ethylene released to air
    6 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC Cancer Risk
    Owned by: HF SINCLAIR CORP
    Naphthalene released to air
    5 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC
    Owned by: HF SINCLAIR CORP
    Biphenyl released to air
    4 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC Cancer Risk
    Owned by: HF SINCLAIR CORP
    1,3-Butadiene released to air
    3 lbs
    LBS
  • KNIFE RIVER CHEYENNE Cancer Risk
    Owned by: MDU RESOURCES GROUP INC
    Polycyclic aromatic compounds released to air
    0.3 lbs
    LBS
  • CHEYENNE RENEWABLE DIESEL CO LLC Cancer Risk
    Owned by: HF SINCLAIR CORP
    Polycyclic aromatic compounds released to air
    0.1 lbs
    LBS
  • KNIFE RIVER CHEYENNE
    Owned by: MDU RESOURCES GROUP INC
    Lead compounds released to air
    0.1 lbs
    LBS
  • KNIFE RIVER CHEYENNE
    Owned by: MDU RESOURCES GROUP INC
    Mercury compounds released to air
    0.1 lbs
    LBS

Nearby Pollution Sources (< 20 miles)

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Protect Your Lungs

Because toxic gases and VOCs were detected in this area (likely from the Toluene), standard filters are not enough. We strongly recommend an Activated Carbon purifier to adsorb these fumes.

View Recommended Carbon Filters →

Chemical Breakdown

Top 5 Pollutants by Weight

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