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Air quality alert issued due to wildfire smoke for Thursday, June 5, through Friday, June 6, for northwest, north central, and northeast Minnesota
Air quality is expected to reach the red AQI category in north central, northwest, and northeast Minnesota, which is unhealthy for everyone.
The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for northwest, north central, and northeast Minnesota. The alert takes effect at 1 p.m. on Thursday, June 5, and runs until 7 p.m. on Friday, June 6. The affected area includes Bemidji, East Grand Forks, International Falls, Two Harbors, Hibbing, Ely, Duluth, Roseau, and the Tribal Nations of Red Lake, Leech Lake, Grand Portage, and Fond du Lac.
An east-to-west band of heavy Canadian wildfire smoke will drift further south into northern Minnesota behind a cold front through the day and evening on Thursday. Most of this smoke will gradually retreat back north into Canada and disperse throughout Friday afternoon, but there is some potential for smoke to linger near the north shore of Lake Superior into the evening.
Fine particle levels are expected to reach the red air quality index (AQI) category, a level considered unhealthy everyone, across north central, northwest, and northeast Minnesota. This area includes International Falls, Roseau, and the Tribal Nation of Red Lake. In the red area, everyone should avoid prolonged or heavy exertion and limit time spent outdoors.
Fine particle levels are expected to reach the orange air quality index (AQI) category, a level considered unhealthy for sensitive groups, across northwest, north central, and northeast Minnesota. This area includes Bemidji, East Grand Forks, Two Harbors, Hibbing, Ely, Duluth, and the Tribal Nations of Red Lake, Leech Lake, Grand Portage, 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.
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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.
Maroon air quality: Hazardous
Sights and smells: In areas where air quality is in the maroon AQI category due to wildfires, the sky will look smoky. The air will seem hazy or smoky and you won’t be able to see long distances. The air will smell strongly of smoke.
Health effects: This air is hazardous for everyone, and everyone will be affected. Most people will have irritated eyes, nose, and throat, coughing, chest tightness, or shortness of breath. Anyone could experience serious heart and lung effects such as asthma attack, heart attack, or stroke.
What to do: Avoid physical activity outdoors. Sensitive groups should stay indoors, keep activity levels low, and keep indoor air as clean as possible.
Red air quality: Unhealthy
Sights and smells: In areas where air quality is in the red AQI category due to wildfires, the sky may look smoky. The air will look hazy and you won’t be able to see long distances. You may smell smoke.
Health effects: This air is unhealthy for everyone. Anyone may begin to experience symptoms such as irritated eyes, nose, and throat, coughing, chest tightness, or shortness of breath. Sensitive or more exposed individuals may experience more serious health effects, including worsening of existing heart or lung disease and respiratory and cardiovascular conditions, possibly leading to an asthma attack, heart attack, or stroke.
What to do: Reduce outdoor physical activities, take more breaks, and avoid intense activities to reduce exposure. Sensitive and more exposed individuals should avoid prolonged or vigorous activities and consider shortening, rescheduling, or moving outdoor events inside.
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.
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. Keep windows closed to ensure outside smoke does not enter your home.
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