Asthma is a disease that affects the lungs and makes it difficult to breath. It is a serious health concern affecting many adults and children in California. Research has shown that asthma is exacerbated by elements in the environment (e.g. air pollution).
To help further understand the relationship between asthma and the environment, the California Environmental Health Tracking Program (CEHTP) is providing data and information to help track asthma in California.
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Additional information about asthma is provided in the links below. Select a topic below or use the left side bar to navigate.
- What is Asthma: Asthma is characterized by ongoing inflammation of the lining of the lung passages. It is the most common chronic disease among children in the U.S and impacts over 5 million Californians...more
- Who is at Risk: Different segments of the population bear a disproportionate burden of asthma. These disparities are significant by race and ethnicity, income, gender, age, and geographic location...more
- Prevention & Treatment: Although there is no known cure for asthma, severe attacks are generally considered preventable. Once asthma is developed, it is important to manage the disease and prevent asthma attacks...more
- Asthma & the Environment: There is increasing evidence and awareness about the relationship between asthma and the environment. While there is some evidence that environmental factors can cause asthma, we know much more about ...more
- How is it Measured
- Asthma Surveillance: Asthma is a complex disease that has a range of severity and symptoms. Because there is no single way to diagnose asthma and people experience asthma differently, measuring asthma...more
- Asthma Indicators: Asthma indicators are ways in which we measure the asthma burden. Each indicator tells us something different about asthma burden. To get a complete picture of asthma in California, we must...more
- Methods & Limitations: When examining asthma findings, it is important to understand where the data came from, the limitations of the data, and how the findings were calculated...more
- Where to Find Data: CEHTP is one of many state and national sources of asthma data...more
- Asthma Resources
- Metadata / Data FAQs