Related Experiment Video
Updated: Aug 10, 2026
14:48
Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury
Published on: March 21, 2021
Associations between respiratory illness and PM10 air pollution
A H Choudhury1, M E Gordian, S S Morris
1College of Business, University of Alaska Anchorage, 99508-8244, USA.
Archives of Environmental Health
|March 1, 1997
Summary
Daily exposure to particulate matter (PM10) significantly increases respiratory illness, including asthma attacks. Higher pollution levels, especially during warmer days, correlated with increased medical visits for respiratory conditions.
Area of Science:
- Environmental Health
- Epidemiology
- Air Pollution Research
Background:
- Air pollution, specifically respirable particulate matter (PM10), is a growing public health concern.
- Understanding the link between daily pollution levels and respiratory morbidity is crucial for public health interventions.
Purpose of the Study:
- To investigate the association between daily ambient particulate pollution (PM10) and respiratory morbidity in Anchorage, Alaska.
- To determine if PM10 exposure is a risk factor for the exacerbation of asthma and other respiratory infections.
Main Methods:
- Utilized insurance claims data for state employees and dependents in Anchorage, Alaska, from 1992.
- Collected daily medical visit data for asthma, bronchitis, and upper respiratory infections.
- Correlated daily medical visits with ambient PM10 levels measured by Anderson head samplers, controlling for seasonal variations.
Main Results:
- A significant positive association was found between daily morbidity and PM10 pollution levels.
- The strongest link was observed between concurrent-day PM10 levels and respiratory illness.
- Increased morbidity risk was noted with higher PM10 concentrations, particularly on warmer days.
Conclusions:
- Daily exposure to PM10 is a significant risk factor for respiratory morbidity in the general population.
- Air quality interventions targeting PM10 reduction may alleviate respiratory health burdens.
- Further research into the impact of warmer temperatures on PM10-related respiratory exacerbations is warranted.
More Related Videos
Related Concept Videos
01:31Common Respiratory Disorders
Respiratory disorders, a prevalent health concern globally, are generally divided into two primary categories: upper and lower respiratory tract disorders. The categorization is based on the area of the respiratory system they affect.
Upper respiratory disorders impact the airways above the vocal cords, encompassing areas like the nose, sinuses, and throat. Various conditions fall under this category, including the common cold and allergic rhinitis. These disorders can stem from several causes,...
Upper respiratory disorders impact the airways above the vocal cords, encompassing areas like the nose, sinuses, and throat. Various conditions fall under this category, including the common cold and allergic rhinitis. These disorders can stem from several causes,...
01:17Other Pulmonary Disorders
Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
01:29Asthma-I: Introduction
Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
01:28Asthma I: Introduction
Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
01:23Chronic Obstructive Pulmonary Disease I: Introduction
Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...
01:24Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...