Inhaling ground-level ozone is especially dangerous for people who have asthma or respiratory problems, and they may experience increased frequency of asthma attacks and health care needs. Young children may also be at risk for developmental problems associated with ozone exposure. People without respiratory problems or asthma can also experience health effects from ozone exposure, such as the following.
Coughing
Throat irritation
Chest tightening
Pain, burning or discomfort when taking a deep breath
Shortness of breath
Become familiar with the Air Quality Index (AQI) to better understand the severity of pollution and related health impacts. The AQI is used for reporting daily air quality levels. Colors indicate how polluted the air is and how to protect your health.
Click on the colors to learn more.
When the AQI is green, air quality is good and safe for everyone.
When the AQI is yellow, air quality is moderate. Unusually sensitive groups should consider limiting prolonged or heavy outdoor exertion.
When the AQI is orange, air quality is unhealthy for sensitive groups. Active children and adults, along with those with respiratory diseases such as asthma, should reduce prolonged or heavy outdoor exertion.
When the AQI is red, air quality is unhealthy. Active children and adults, along with those with respiratory diseases such as asthma, should avoid prolonged outdoor exertion. Everyone else should reduce prolonged or heavy outdoor exertion.
When the AQI is purple, air quality is very unhealthy. Active children and adults, along with those with respiratory diseases such as asthma, should avoid all outdoor exertion. Everyone else should avoid prolonged or heavy outdoor exertion.
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