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Showing 25–40 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Air Pollution Exposure Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Particulate Matter, Blood Pressure, and the Sympathetic Nervous System

NCT03079843
View directory record Official record
Conditions
Air Pollution
Interventions
exposure to particulate matter with N 95 facemask, exposure to particulate matter with no face mask
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 1, 2019 · Synced Jul 22, 2026, 6:56 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Short-Term Health Outcomes of Cooking UFP Exposure

NCT07311967
View directory record Official record
Conditions
Cognitive Function Decline, Air Pollution Exposure, Respiratory Inflammation
Interventions
Clean Indoor Air Exposure (Control), Exposure to Cooking-Generated Ultrafine Particles and Gases
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Jul 22, 2026, 6:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers of Benzene Exposure in Inner City Residents

NCT00014963
View directory record Official record
Conditions
Lung Disease, Cancer
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
3 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 22, 2006 · Synced Jul 22, 2026, 6:56 AM EDT
Recruiting Not applicable Interventional

Project 4: ACHIEVE PATHFINDER

NCT06070428
View directory record Official record
Conditions
Heart Failure
Interventions
PAC provision at hospital discharge, Control non-intervention; PAC without filter
Other
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Jul 22, 2026, 6:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Educational Intervention for the Promotion of Knowledge and Preventive Health Behaviors Related to Personal Air Pollution Exposure, The Air Study

NCT04922697
View directory record Official record
Conditions
Lung Carcinoma
Interventions
Educational Intervention, Questionnaire Administration
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 20, 2022 · Synced Jul 22, 2026, 6:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Traffic Pollution Exposure Improves Blood Pressure

NCT04029129
View directory record Official record
Conditions
Air Pollution
Interventions
Air filtration and building envelop modifications
Other
Lead sponsor
UConn Health
Other
Eligibility
40 Years to 75 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced Jul 22, 2026, 6:56 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Innate Immunity in Ozone-induced Airway Inflammation in COPD

NCT04669743
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Airway Disease, COPD Exacerbation, Pollution; Exposure, Pollution Related Respiratory Disorder
Interventions
Ozone exposure
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
45 Years to 75 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2030
U.S. locations
3
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 22, 2026, 6:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardioprotective Effects of Omega-3 Fatty Acids Supplementation in Healthy Older Subjects Exposed to Air Pollution Particles

NCT01442480
View directory record Official record
Conditions
Healthy
Interventions
Fish oil, Olive oil
Dietary Supplement
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
50 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Jul 22, 2026, 6:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Lung Mucus Hypersecretion and NQO1

NCT00729352
View directory record Official record
Conditions
Environmental Exposure, Ozone, Air Pollution, Genetic Susceptibility
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 35 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Jul 22, 2026, 6:56 AM EDT
Completed Not applicable Interventional

Indoor Air Pollution and Children With Asthma: An Intervention Trial

NCT02258893
View directory record Official record
Conditions
Asthma
Interventions
NO2 Scrubber, HEPA filter, Control
Other
Lead sponsor
Yale University
Other
Eligibility
5 Years to 11 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 22, 2020 · Synced Jul 22, 2026, 6:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Sequential Exposure to Nitrogen Dioxide and Ozone in Healthy Adult Human Volunteers.

NCT02133586
View directory record Official record
Conditions
Respiratory Depression
Interventions
Ozone, Nitrogen dioxide
Other
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
18 Years to 40 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 16, 2020 · Synced Jul 22, 2026, 6:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Interaction of Social Factors With Air Pollution

NCT02206750
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 33 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 25, 2017 · Synced Jul 22, 2026, 6:56 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Modification of Ambient Air Pollution Exposure and Cardiopulmonary Outcomes by Socioeconomic Status and Nutrition

NCT05843370
View directory record Official record
Conditions
Air Pollution, Pollution; Exposure, Nutrition, Healthy
Interventions
Not listed
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
25 Years to 70 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Jul 22, 2026, 6:56 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Cardiovascular Effects of Exposure to Ozone

NCT01487005
View directory record Official record
Conditions
Cardiovascular Injury
Interventions
Not listed
Lead sponsor
Health Effects Institute
Other
Eligibility
55 Years to 70 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
4
States / cities
San Francisco, California • Watertown, Massachusetts • Rochester, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2012 · Synced Jul 22, 2026, 6:56 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

ASPIRE Health Tulare County

NCT05944770
View directory record Official record
Conditions
Respiratory Tract Diseases, Cardiovascular Diseases
Interventions
DIY portable air cleaner with a highly effective filter, DIY portable air cleaner with sham filtration
Other
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced Jul 22, 2026, 6:56 AM EDT
Recruiting Not applicable Interventional

Reducing AIR Pollution Exposure to Lower Blood PRESSURE Among New York City Public Housing Residents

NCT05874479
View directory record Official record
Conditions
Blood Pressure
Interventions
Active PAC, Sham PAC
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Jul 22, 2026, 6:56 AM EDT