Understanding the Air Quality Index: What It Means for Your Health

We often hear about air pollution on the news, but how do we actually measure it—and what does it mean for your health? That’s where the Air Quality Index (AQI) comes in. At North Jersey Pulmonary Associates, we believe that understanding the AQI is an important step in protecting your lungs and overall well-being, especially if you have a respiratory condition like asthma, COPD, or chronic bronchitis.

The AQI is a standardized system used to measure and report daily air quality. It tells you how clean or polluted the air is, and what health effects might be a concern for you and your family. The index focuses on five major air pollutants: ground-level ozone, particle pollution (also known as particulate matter), carbon monoxide, sulfur dioxide, and nitrogen dioxide. Each pollutant is measured and assigned a score on a scale from 0 to 500. The higher the number, the worse the air quality—and the greater the health risk.

The AQI is divided into six color-coded categories, ranging from green (good) to maroon (hazardous). For most people, the air is safe to breathe when the AQI is in the green or yellow zone. However, when levels rise into the orange, red, or higher zones, those with pre-existing respiratory issues, older adults, and children should take extra precautions, such as staying indoors or avoiding strenuous outdoor activities.

Monitoring the AQI is especially important for people living with lung disease. Poor air quality can trigger symptoms, worsen existing conditions, and increase the risk of respiratory infections. At North Jersey Pulmonary Associates, we encourage patients to regularly check local air quality reports, especially on hot, humid, or high-pollen days when pollutants can linger.

If you suffer from shortness of breath, wheezing, or chronic coughing, it may be time to consult with a lung specialist. Our team provides personalized care and advanced treatment options to help you manage your symptoms and live a healthier, more active life—no matter what the air quality is outside.