Good; AQI Value: 0-50

• Air quality is good. It’s a great day to be active outside. 
  
  

Moderate; AQI Value: 51‐100

• Air quality is acceptable for most people. Some people who may be unusually sensitive to particle pollution (e.g., people with lung and heart disease) may be affected.
• Unusually sensitive people: Consider making outdoor activities shorter and less intense. Watch for symptoms such as coughing or shortness of breath. These are signs to take it easier.
• Everyone else: It’s a good day to be active outside.

Unhealthy for Sensitive Groups; AQI Value: 101 - 150

• Members of sensitive groups* may experience health effects. The general public is less likely to be affected.
• Sensitive groups* should make outdoor activities shorter and less intense. Take more breaks. Watch for symptoms such as coughing and shortness of breath and follow your health care provider's action plan.
• Sensitive groups, including people with heart or lung disease, older adults, children and teenagers, pregnant women, minority populations, and outdoor workers may be affected.
• Sensitive groups: Make outdoor activities shorter and less intense. It’s OK to be active outdoors, but take more breaks. Watch for symptoms such as coughing or shortness of breath.
• People with asthma: Follow your asthma action plan and keep quick relief medicine handy.
• People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your healthcare provider.

Unhealthy; AQI Value: 151-200     Health advisory to campus community

• Health Advisory: Air quality is unhealthy and can affect everyone. Symptoms such as palpitations, coughing, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your healthcare provider.
• Sensitive groups: Avoid long or intense outdoor activities. Consider rescheduling or moving activities indoors.*
• Everyone else: Reduce long or intense activities. Take more breaks during outdoor activities.
• Outdoor Workers, Classes, Research and Volunteers: Workers in sensitive groups should make outdoor activities shorter and less intense. Consider voluntary use of N95 respirators.
• Athletics and Outdoor Recreation: Medical athletic and outdoor recreation staff should consult with individuals who fall into the sensitive groups. Consider removing sensitive athletes from outdoor practice or competition venues and should closely monitor all athletes for respiratory difficulty. Reduce heavy or prolonged exertion in sensitive individuals.
• Outdoor Camps/Events: At the higher end of range, consider moving activities indoors.
  
  

Very Unhealthy; AQI Value: 201‐300     Health alert to the campus community

• Health Alert: Air quality is unhealthy and the risk of health effects is increased for everyone.
• Sensitive groups: Avoid all physical activity outdoors. Reschedule to a time when air quality is better or move activities indoors.
• Everyone else: Avoid long or intense activities. Consider rescheduling or moving activities indoors.
• Outdoor Workers, Classes, Research and Volunteers: Suspend outdoor work, unless absolutely necessary. Provide N‐95 respirators for voluntary use.
• Athletics and Outdoor Recreation: Outdoor athletic activities should be moved indoors or delayed, postponed, or relocated. Cancel or move outdoor recreational activities indoors.
• Outdoor Camps/Events: Cancel outdoor events involving activity (e.g., sports). Consider cancellation of outdoor events that do not involve activity (e.g., concerts). Cancel outdoor camp activities.

Hazardous; AQI Value: 301 - 500     Health warning to the campus community

• Health Warning: Air quality is hazardous. Everyone is likely to be affected by the air quality.
• Sensitive groups: remain indoors and keep activity levels low.
• Everyone else: Avoid all physical activity outdoors.
• Outdoor Workers, Classes, Research and Volunteers: Suspend outdoor work, unless absolutely necessary. Provide N‐95 respirators for voluntary use.
• Athletics and Outdoor Recreation: Cancel or move all outdoor athletic and recreation events/activities indoors. Consider cancellation of indoor events and activities based on indoor air quality measurements and availability of space.
• Outdoor Camps/Events: Cancel all outdoor events and camp activities. Consider cancellation of indoor camps that require participants or families to travel to and from campus.