Zip Code 94086
📍 Sunnyvale, CA
Toxic Air Emissions Report (2024)
Data Source: EPA TRI (2024) • Updated Nov 2025
1,003.66 lbs
State Score
42
/ 100
National Score
58
/ 100
In 2024, industrial facilities in Sunnyvale, CA released over 1,003.66 lbs of pollutants. The primary source was NORTHROP GRUMMAN SYSTEMS CORP, which emitted Ammonia into the local air. Air quality in 94086 is relatively consistent with regional baselines.
Top Polluting Facilities
- NORTHROP GRUMMAN SYSTEMS CORPOwned by: NORTHROP GRUMMAN CORPAmmonia released to air998.66 lbsLBS
- SIERRA CIRCUITS INC (DBA SIERRA PROTO EXPRESS)Owned by: nanNitric acid released to air5 lbsLBS
Nearby Pollution Sources (< 20 miles)
- Fremont, CA (94538) 11.1 mi awayHeavy Industrial Activity226,808.62 lbsAnnual Emissions
- Fremont, CA (94539) 11.1 mi awayHeavy Industrial Activity32,454.00 lbsAnnual Emissions
- Milpitas, CA (95035) 8.2 mi awayHeavy Industrial Activity4,502.33 lbsAnnual Emissions
Check Nearby Zip Codes
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Protect Your Lungs
Because toxic gases and VOCs were detected in this area (likely from the Ammonia), 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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