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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Air Pollution Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

The Clean Air Study: HEPA Purifiers to Improve Indoor Air Quality and Health in Rural Alaska Homes

NCT06534385
View directory record Official record
Conditions
Air Pollution, Indoor
Interventions
Air purifier
Device
Lead sponsor
Alaska Native Tribal Health Consortium
Other
Eligibility
Up to 5 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Bethel, Alaska
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Sep 22, 2026, 1:58 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 Sep 22, 2026, 1:58 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 Sep 22, 2026, 1:58 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 Sep 22, 2026, 1:58 AM EDT
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 Sep 22, 2026, 1:58 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 Sep 22, 2026, 1:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Encouraging LPG Adoption in Ghana: A Factorial Randomized Clinical Trial to Enhance LPG Adoption & Sustained Use

NCT03352830
View directory record Official record
Conditions
Behavior, Consumer, Health Knowledge, Attitudes, Practice, Health Attitude
Interventions
RANAS Behavior Change Intervention, Infrastructural Intervention - Direct Delivery
Behavioral · Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
781 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 30, 2019 · Synced Sep 22, 2026, 1:58 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Home Health and Air Pollution Study

NCT06030336
View directory record Official record
Conditions
Indoor Air Quality
Interventions
Home Health Report
Behavioral
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Aurora, Colorado • Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced Sep 22, 2026, 1:58 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 Sep 22, 2026, 1:58 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Imaging Innovations for Placental Assessment in Response to Environmental Pollution (PARENTs)

NCT02786420
View directory record Official record
Conditions
Placental Disease
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Female only
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Sep 22, 2026, 1:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Measuring Knowledge and Behavior After an Educational Program on Air Pollution as a Health Risk Reduction Strategy

NCT04563052
View directory record Official record
Conditions
Air Pollution, Risk Reduction Behaviors
Interventions
Educational Program on Air Pollution as a Health Risk Reduction Strategy
Behavioral
Lead sponsor
Villanova University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Villanova, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 16, 2021 · Synced Sep 22, 2026, 1:58 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 Sep 22, 2026, 1:58 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Air Pollution, Asthma and Circadian Clocks

NCT03406351
View directory record Official record
Conditions
Asthma, Healthy
Interventions
Observational
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 22, 2026, 1:58 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 Sep 22, 2026, 1:58 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 Sep 22, 2026, 1:58 AM EDT
Completed No phase listed Observational Results available

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
105 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 22, 2026, 1:58 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 Sep 22, 2026, 1:58 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 Sep 22, 2026, 1:58 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 Sep 22, 2026, 1:58 AM EDT
Active, not recruiting Not applicable Interventional

Laying the Foundation for Building a Resilient KPNC Community in the Face of Worsening Air Quality Due to Wildfire Smoke

NCT07118189
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD), Exacerbation of COPD, Exacerbation of Chronic Obstructive Pulmonary Disease
Interventions
N95 masks and indoor air cleaner
Device
Lead sponsor
Kaiser Permanente
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Pleasanton, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 22, 2026, 1:58 AM EDT
Completed No phase listed Observational

Air Pollution and Implantable Cardioverter Defibrillators

NCT00015574
View directory record Official record
Conditions
Arrythmias
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
0 Years to 90 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 3, 2006 · Synced Sep 22, 2026, 1:58 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 Jul 28, 2026 · Synced Sep 22, 2026, 1:58 AM EDT
Completed Not applicable Interventional

Testing New Marketing Models for Improved Cookstoves - Uganda

NCT01611350
View directory record Official record
Conditions
Air Pollution, Indoor, Behavior
Interventions
RCT 1- Testing the Effectiveness of Marketing Messages in Increasing Willingness to Pay, RCT 3-Measure the Effects of Fuel Efficient Cookstoves on Health, Fuel Use and Time Spent Collecting Fuel, RCT 2- Testing the Effectiveness of the Novel Sales Offer and its ability to Increase Uptake of Purchasing Energy Efficient Cookstoves
Other
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years and older · Female only
Enrollment
3,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2020 · Synced Sep 22, 2026, 1:58 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 Sep 22, 2026, 1:58 AM EDT