Asthma is a disease that affects the lungs and respiratory system, making it harder to breathe. Asthma causes wheezing, breathlessness, chest tightness, and coughing at night or early in the morning. In most cases, we don’t know what causes asthma, and we don’t know how to cure it. We know that if someone in your family has asthma you are more likely to have it. Many things in the environment can trigger an asthma attack, such as tobacco smoke, dust mites, outdoor air pollution, pets, mold, and smoke from burning wood or grass. Asthma attacks can be controlled by knowing and avoiding your triggers.
The asthma data presented in this Data Explorer include the number of emergency department visits with a primary diagnosis code of asthma per year, and the number of hospitalization admissions with a primary diagnosis of asthma per year

Learn More about Asthma:
Connecticut Asthma Program
CDC Asthma Program
Connecticut DEEP Air Quality Page
EPA Air Now

The Nationally Consistent Data Measures (NCDMs) for Asthma are:

Emergency Department Visits
• Annual age-adjusted rate of emergency department visits for asthma per 10,000 population
• Annual crude rate of emergency department visits for asthma per 10,000 population
• Annual number of emergency department visits for asthma

Hospitalization
• Age-adjusted rate of hospitalization for asthma per 10,000 population
• Crude rate of hospitalization for asthma per 10,000 population
• Number of hospitalizations for asthma

Each of the Asthma NCDMs are available using the charts on this page.

• Select the measure using the Measure dropdown.
• Choose the grouping by selecting an option from the X-Axis dropdown.
• Filter the results by any of the available demographic options by checking the option in the corresponding dropdown.
  If no option is selected the total for that demographic will be used when calculating the results.
  For example if no county selection is made the data will be state totals.
• Press the filter button to redraw the chart.