Zip Code 94558
📍 Napa, CA
Toxic Air Emissions Report (2024)
Data Source: EPA TRI (2024) • Updated Nov 2025
0.00 lbs
State Score
99
/ 100
National Score
100
/ 100
In 2024, industrial facilities in Napa, CA released over 0.00 lbs of pollutants. The primary source was VULCAN MATERIALS CO NAPA QUARRY, which emitted Benzo[g,h,i]perylene into the local air. Air quality in 94558 is relatively consistent with regional baselines.
Top Polluting Facilities
- VULCAN MATERIALS CO NAPA QUARRYOwned by: VULCAN MATERIALS COBenzo[g,h,i]perylene released to air0.00088 lbsLBS
Nearby Pollution Sources (< 20 miles)
- Fairfield, CA (94533) 17.6 mi awayHeavy Industrial Activity134,742.55 lbsAnnual Emissions
- Fairfield, CA (94534) 16.2 mi awayHeavy Industrial Activity12,535.00 lbsAnnual Emissions
- Vacaville, CA (95688) 15.3 mi awayHeavy Industrial Activity1.746 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 Benzo[g,h,i]perylene.
View Recommended HEPA Filters →Chemical Breakdown
Top 5 Pollutants by Weight
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