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Showing 1–24 of 40 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Air Pollution Exposure Clear all
Completed No phase listed Observational Accepts healthy volunteers

Immune Tolerance Dysfunction in Pregnancy Due to Ambient Air Pollution Exposure

NCT04549142
View directory record Official record
Conditions
Air Pollution, Pregnancy
Interventions
There is no intervention
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Human Biological Responses to Low Level Ozone

NCT02857283
View directory record Official record
Conditions
Environmental Exposure, Nasal Inflammation
Interventions
Ozone, Filtered Air, Health and Exposure Tracker (HET)
Other · Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Juice Types on the Responses to Air Pollution

NCT02027415
View directory record Official record
Conditions
Air Pollution
Interventions
Beet juice, Orange juice
Dietary Supplement
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional

Cleaner Air for Lower Cardiometabolic Risk

NCT05994937
View directory record Official record
Conditions
PreDiabetes
Interventions
PAC with HEPA filter intact, PAC with HEPA filter removed
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Diesel Exhaust Particulate Exposures on Endothelial Function in Humans

NCT00434005
View directory record Official record
Conditions
Healthy
Interventions
N-acetylcysteine, ascorbate, Placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 49 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 15, 2013 · Synced Jul 22, 2026, 4:57 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Health Effects of Repeated Exposure to Low Levels of Concentrated Ambient Particles in Healthy Young Volunteers

NCT05323240
View directory record Official record
Conditions
Air Pollution
Interventions
PM exposure, Filtered air exposure
Other
Lead sponsor
U.S. EPA Human Studies Facility
Federal
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interaction Effects of Temperature and Ozone

NCT01981135
View directory record Official record
Conditions
Exposure to Environmental Pollution, Non-occupational
Interventions
Clean Air, Ozone
Other
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 9, 2015 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Solar Lighting to Reduce Indoor Air Pollution in Rural Uganda

NCT03351504
View directory record Official record
Conditions
Pollution; Exposure, Hypertension, Pollution Related Respiratory Disorder
Interventions
Solar lighting system
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ozone Cardiovascular Effects in Genetically Susceptible People

NCT01192477
View directory record Official record
Conditions
Healthy
Interventions
Ozone
Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 40 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 3, 2013 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Epigenetic Effects of Diesel Exhaust and Ozone Exposure

NCT01492517
View directory record Official record
Conditions
Exposure to Pollution, Inhalation of Ozone
Interventions
Ozone exposure, Diesel exhaust, Ozone18, Clean Air
Other
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 17, 2016 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Results available

AIM to Improve Asthma: Airflow Improvements During Meal-Prep

NCT04464720
View directory record Official record
Conditions
Asthma in Children, Pollution; Exposure
Interventions
Cooking Ventilation Intervention
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
6 Years to 12 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Air Pollution: Strategies for Personalized Intervention to Reduce Exposure

NCT03744871
View directory record Official record
Conditions
Air Pollution
Interventions
N95 Respirator
Other
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 3, 2023 · Synced Jul 22, 2026, 4:57 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cardiopulmonary Effects of Particulate Exposure

NCT00011310
View directory record Official record
Conditions
Respiratory Tract Diseases, Cardiac Diseases, Bronchitis
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2002
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 3, 2006 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Results available

Cleaner Air for Better Cardiac Biomarkers

NCT05379400
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Portable air cleaner (PAC), Sham Portable air cleaner (PAC)
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional

Developing and Evaluating an Indoor Air Pollution Intervention Among Cardiovascular Patients: the AIRWISE Study

NCT06384625
View directory record Official record
Conditions
Coronary Heart Disease, Cardiovascular Diseases, Environmental Exposure
Interventions
AIRWISE
Other
Lead sponsor
University of Montana
Other
Eligibility
55 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Missoula, Montana
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Jul 22, 2026, 4:57 AM EDT
Completed No phase listed Observational

Change in Knowledge After Receiving Personal Air Pollution Results

NCT05160948
View directory record Official record
Conditions
Environmental Exposure
Interventions
Informational Report
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
15 Years to 99 Years
Enrollment
96 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 22, 2023 · Synced Jul 22, 2026, 4:57 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Omega-3 Fatty Acids in Ambient Air Pollution Exposure in Healthy Adults

NCT02921048
View directory record Official record
Conditions
Health Effects of Ambient Air Pollution
Interventions
omega-3 fatty acids
Dietary Supplement
Lead sponsor
U.S. EPA Human Studies Facility
Federal
Eligibility
25 Years to 55 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 9, 2022 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Milwaukee Day Cares Indoor Air Quality Assessment and Educational Response Study

NCT03675009
View directory record Official record
Conditions
Pollution; Exposure
Interventions
Educational Programming
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 21, 2019 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional

Residential Ventilation Systems and Filtration for Asthma Control in Adults

NCT06098287
View directory record Official record
Conditions
Asthma, Pollution; Exposure
Interventions
Residential mechanical ventilation system (Exhaust), Residential mechanical ventilation system (CFIS) and air filtration upgrades, Residential mechanical ventilation system (ERV) and air filtration upgrades
Device
Lead sponsor
Illinois Institute of Technology
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 23, 2023 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Wildfire Related Air Pollution Exposure and Cognitive Function Pilot Study

NCT07151235
View directory record Official record
Conditions
Healthy Participants
Interventions
Simulated wildfire smoke exposure, Clean Air exposure
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Jul 22, 2026, 4:57 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Air Pollution and Development in the Boricua Youth Study

NCT05368493
View directory record Official record
Conditions
Pollution; Exposure, Neurodevelopmental Disorders
Interventions
MRI task
Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
6 Months to 11 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Jul 22, 2026, 4:57 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Role of Macrophage Activation in Lung Injury Following Ozone Exposure

NCT05794087
View directory record Official record
Conditions
Air Pollution
Interventions
Clean Air, Ozone
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 40 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Jul 22, 2026, 4:57 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Diesel Exhaust and Vascular Function

NCT01508637
View directory record Official record
Conditions
Cardiovascular Effects
Interventions
Diesel Exhaust, Filtered Air, Terazosin, placebo
Other · Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 49 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 2, 2015 · Synced Jul 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Air Pollution and Physical Activity Study

NCT06386055
View directory record Official record
Conditions
Physical Inactivity, Pollution; Exposure
Interventions
Active exercise
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
35 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Jul 22, 2026, 4:57 AM EDT