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Air quality alert issued due to wildfire smoke until Thursday, June 12, for central and southern Minnesota
Air quality is expected to reach the orange AQI category in central and southern Minnesota, which is unhealthy for sensitive groups
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for central and southern Minnesota. The alert runs until 11 p.m. on Thursday, June 12. The affected area includes the Twin Cities metro area, Brainerd, Alexandria, Albert Lea, Marshall, Worthington, Hinckley, St. Cloud, Ortonville, Mankato, Moorhead, Duluth, and the Tribal Nations of Upper Sioux, Mille Lacs, Prairie Island, Leech Lake, and Fond du Lac.
Smoke from wildfires in northwest Canada has moved into central and southern Minnesota behind a cold front. This smoke is beginning to mix to the ground and fine particle levels have climbed into the unhealthy for sensitive groups air quality index (AQI) category across central and southern Minnesota. This smoke will linger along a frontal boundary that will stall over the southern part of the state. Rainfall is expected across this same region through Thursday and this may help reduce smoke levels in some areas. However, it's possible this smoke may linger through the end of the day on Thursday.
Fine particle levels are expected to reach the orange AQI category, a level considered unhealthy for sensitive groups, across central and southern Minnesota. This area includes the Twin Cities metro area, Brainerd, Alexandria, Albert Lea, Marshall, Worthington, Hinckley, St. Cloud, Ortonville, Mankato, Moorhead, Duluth, and the Tribal Nations of Upper Sioux, Mille Lacs, Prairie Island, Leech Lake, and Fond du Lac. In the orange area, sensitive groups should limit prolonged or heavy exertion and time spent outdoors.
MDH sends these air quality alert messages only once a day, unless the air quality worsens.
Air quality can change quickly, so be sure to check current air quality conditions.
Sign up for air quality notifications
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What this alert means
Air moves long distances and carries pollutants. During air quality alerts due to wildfires, the air is mixed with harmful smoke. Wildfire smoke spreads or lingers depending on the size of the fires, the wind, and the weather.
The air quality index (AQI) is color-coded. Air quality alerts are issued when the AQI is forecast to reach an unhealthy level, which includes forecasts in the orange, red, purple, and maroon categories. For a full description of each air quality category, visit airnow.gov.
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Orange air quality: Unhealthy for sensitive groups
Sights and smells: In areas where air quality is in the orange AQI category due to wildfires, the sky may look hazy and residents may smell smoke even when wildfires are far away. In areas where air quality is in the orange AQI category due to stagnant air, the air may look hazy.
Health effects: This air is unhealthy for sensitive groups and pollution may aggravate heart and lung disease as well as cardiovascular and respiratory conditions. Symptoms may include chest pain, shortness of breath, wheezing, coughing, and fatigue.
What to do: People in sensitive groups are encouraged to reduce outdoor physical activities, take more breaks, or do less intense activities to reduce their exposure. People with asthma should follow their asthma action plan and keep their rescue inhaler nearby.
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Poor air quality impacts health. Fine particle pollution from wildfire smoke can irritate eyes, nose, and throat, and cause coughing, chest tightness, shortness of breath, dizziness, or fatigue.
Smoke particles are small enough that they can be breathed deeply into lungs and enter the bloodstream. This can lead to illnesses such as bronchitis or aggravate existing chronic heart and lung diseases, triggering heart palpitations, asthma attacks, heart attacks, and strokes.
Certain groups experience health effects from unhealthy air quality sooner than others, either because they are more sensitive to fine particle pollution or because they are exposed to larger amounts of it.
Sensitive groups include:
- People who have asthma or other breathing conditions like chronic obstructive pulmonary disease (COPD).
- People who have heart disease, high blood pressure, or diabetes.
- Pregnant people.
- Children and older adults.
People with increased exposure include:
- People of all ages who do longer or more vigorous physical activity outdoors.
- People who work outdoors, especially workers who do heavy manual labor.
- People who exercise or play sports outdoors, including children.
- People who don’t have air conditioning and need to keep windows open to stay cool.
- People in housing not tight enough to keep unhealthy air out, or who do not have permanent shelter.
Anyone experiencing health effects related to poor air quality should contact their health care provider. Those with severe symptoms, chest pain, trouble breathing, or who fear they may be experiencing a heart attack or stroke should call 911 immediately.
Take precautions
Reduce or eliminate activities that contribute to air pollution, such as outdoor burning, and use of residential wood burning devices. Reduce vehicle trips and vehicle idling as much as possible.
Additional resources
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Minnesota Outdoor Air Quality Guidance for Schools and Child Care - This MDH guidance can help school and child care staff determine when and how to adjust outdoor physical activities when air quality starts to reach unhealthy levels. Air pollution affects everyone, but children and youth are particularly vulnerable.
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Extreme heat and air quality alerts can happen at the same time. Learn how to stay safe and prevent heat-related illnesses at mn.gov/heat.
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