
If you've ever been to Michigan and noticed a strange burning plastic smell, you're not alone. This peculiar scent has been reported by many residents and visitors alike, and it's often attributed to wildfires in the area. While the smell of campfire smoke is familiar and comforting to some, the burning plastic odour can be worrying. This smell is caused by chemical reactions between UV rays and smoke compounds, forming toxic chemicals like benzene and formaldehyde, which can pose health risks. It's important to stay vigilant and take precautions when encountering this smell, as it may indicate hazardous situations or poor air quality.
| Characteristics | Values |
|---|---|
| Possible causes | Wildfires, electrical fires, burning yard waste, industrial activity, gas leaks |
| Health risks | Irritation of eyes and throat, long-term health risks, elevated air toxicity levels |
| Action to take | Stay indoors, close windows and doors, wear a mask, use real-time fire maps to identify fire activity |
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What You'll Learn

Forest fires in the Great Smoky Mountains
Wildfires are a common cause of burning plastic odours, and in the case of Michigan, this smell may be attributed to several factors. In 2019, a fire at an Ohio metal scrapyard resulted in smoky plastic odours drifting into southern Michigan. More recently, in June 2023, a combination of factors, including wildfires in Quebec, Canada, and a potential gas leak near Lake Michigan, contributed to the smell of burning plastic in Michigan.
Now, let's shift our focus to the Great Smoky Mountains. This region has experienced several significant wildfires, with the 2016 Great Smoky Mountains wildfires, also known as the Gatlinburg wildfires, being the deadliest in Tennessee and the eastern US. These fires began in late November 2016, impacting towns like Pigeon Forge and Gatlinburg, located near the Great Smoky Mountains National Park. Strong southerly winds, with gusts up to 87 mph, played a crucial role in spreading the fires. The blazes destroyed over 2,000 buildings and forced the evacuation of 14,000 residents and tourists. The Chimney Tops 2 Fire was one of the largest individual wildfires within these series of fires, burning more than 10,000 acres and leading to the closure of the Chimney Tops Trail.
The Great Smoky Mountains National Park has a history of wildfires, with lightning-caused fires being a notable occurrence. Between 1998 and 2006, the park managed ten fires under the wildland fire use policy, allowing for the study of fire behaviour without traditional suppression. These fires contributed valuable data to our understanding of fire regimes in the region. The park's WFU program has provided a unique opportunity to observe and document fire characteristics in a modern landscape.
The introduction of non-native species, such as the European wild boar in the early 1900s, has also influenced fire behaviour in the Great Smoky Mountains. The boars' rooting practices disturbed the forest floors, exposing soil that hindered fire spread. This disturbance was recorded at various elevation ranges and vegetation types, impacting the growth of certain fires.
While the 2016 wildfires in the Great Smoky Mountains were devastating, the region has shown resilience. Through financial relief efforts and the dedication of local leaders, the area has made strides in recovery.
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A fire at an Ohio metal scrapyard
In 2019, a fire at a metal scrapyard in northern Ohio caused a plastic-like smell in southern Michigan. While the exact cause of the fire is unknown, it resulted in thick clouds of smoke and a strong odour that drifted across the state border.
Fires at scrapyards can be particularly challenging to extinguish due to the nature of the burning material and the height of the piles. In the case of the Ohio fire, the blaze occurred in a large outdoor pile of junk cars, creating a challenging situation for firefighters. Scrapyards often contain various flammable materials, including metals, oils, plastics, and other recycled materials, which can fuel intense fires.
The smell of burning plastic can be indicative of electrical fires or the presence of toxic chemicals. Electrical fires, for instance, can occur in power lines, transformers, or external wiring, releasing a burning plastic odour as the insulation around wires melts. Additionally, the burning of plastic itself can release toxic chemicals such as benzene and formaldehyde, which can pose health risks to those nearby.
In the case of the Ohio metal scrapyard fire, a Hazmat team was called to the site to assess the situation. While no hazardous materials were detected, the fire still posed a significant challenge for firefighters. It required multiple shifts of firefighters working in rotation and the use of heavy construction equipment to penetrate and extinguish the blaze.
The impact of such fires extends beyond the immediate vicinity. As smoke and odours can travel great distances, neighbouring states may also be affected. In the case of the Ohio fire, southern Michigan experienced the effects of the blaze, with residents reporting the smell of burning plastic. This highlights the potential for widespread consequences arising from fires at scrapyards or similar locations.
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Wildfires in Quebec, Canada
In June 2023, there were reports of a chemical or burning plastic smell in Michigan. Some people attributed this smell to wildfires in Canada, specifically those in Quebec. Indeed, smoke from the Quebec wildfires had reached Michigan, impacting air quality. However, there was also a reported gas leak on the south end of Lake Michigan, which could have contributed to the smell.
Now, let's focus on the wildfires in Quebec, Canada. In 2023, Canada experienced a record-setting series of wildfires, with all 13 provinces and territories affected. Quebec was among the regions that saw heavy and intense wildfires, and it was particularly hard hit during that fire season. The province witnessed more frequent wildfires than in previous years and had fewer resources and experience to combat them effectively.
The 2023 fire season in Quebec was largely driven by anthropogenic climate change, with temperatures from May to October 2.2 °C (4 °F) higher than the 1991-2020 average. This climate change made fire weather twice as likely and 20% more intense in Quebec, according to World Weather Attribution estimates. The warmer and drier weather contributed to drought conditions and desiccated vegetation, making it highly flammable.
Quebec experienced an unusually large number of wildfires, with over 160 blazes burning at the peak of the crisis. The seasonal average is typically around 2,000 hectares, but over 900,000 hectares had burned by June 2023. The province reported 446 fires by June 10, compared to the average of 212 for the same date. On June 8, 137 fires were active in Quebec, and the situation worsened, with Montreal experiencing the worst air quality globally due to wildfire smoke.
The poor air quality in Montreal prompted officials to cancel many outdoor activities and distribute N95 face masks to residents. The fires also caused a 2-hour power outage impacting 100,000 customers. While the recent rainfall allowed some evacuated residents to return home, the wildfires had already displaced thousands and caused significant damage to the environment and local communities.
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Burning yard waste or trash
Residential backyard burning, or open burning, is the burning of materials where the products of combustion are released directly into the air without passing through a stack, duct, or chimney. This practice is often illegal or discouraged due to environmental hazards, but it is sometimes permissible under specified conditions. Local authorities may place restrictions on open burning or require residents to obtain permits before burning yard waste.
If you are burning yard waste, it is important to follow safety guidelines. Always stay with your fire until it is completely out, and drown it with water. Repeat this process several times, and regularly check the burn area afterward, especially in warm, dry, and windy weather. Create a fire-resistant space around your home, and be cautious when disposing of charcoal and smoking materials.
In Michigan, the smell of burning plastic has been attributed to wildfires, as smoke from fires in Canada and Ohio has reached the state. However, it is important to note that the smell of burning plastic can also be caused by burning yard waste or trash containing plastic materials. While this may not be the primary cause of the plastic smell in Michigan, it is a potential contributing factor.
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Electrical fires
The smell of burning plastic is often described as acrid and pungent, distinct from the scent of burning wood or paper. It can irritate the eyes and throat and pose long-term health risks due to the release of toxic chemicals like benzene and formaldehyde. Therefore, it is essential to stay vigilant and take appropriate action when encountering this smell, whether indoors or outdoors.
In Michigan, reports of a burning plastic smell have been attributed to various factors. In one instance, a fire at a metal scrapyard in Ohio led to plastic odors drifting into southern Michigan. Additionally, wildfires in Canada and potential gas leaks near Lake Michigan have been suspected of causing similar smells in the state. It is important for residents to stay informed and take necessary precautions to ensure their safety when encountering such odors.
To prevent electrical fires, it is crucial to regularly inspect electrical cords, outlets, and appliances for any signs of wear or damage. Keep flammable materials away from heat sources, and avoid using electrical appliances in wet areas or with damp hands. It is also important to unplug appliances when not in use and ensure proper usage of space heaters and holiday lights. By following these precautions, you can help reduce the risk of electrical fires and maintain a safe environment.
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Frequently asked questions
The smell of burning plastic in Michigan is likely due to wildfires, which can produce a mix of gases and fine particles from burning vegetation.
The burning plastic smell is caused by chemical reactions between UV rays and smoke compounds, leading to the formation of toxic chemicals like benzene and formaldehyde.
If you smell burning plastic, stay vigilant and act promptly to ensure your safety. Determine if there are visible signs of fire or danger nearby. Limit outdoor activities and monitor updates from local authorities or air quality tools.
Yes, the smell could also be due to burning yard waste or trash containing plastic materials, electrical fires, industrial activity, or even a gas leak.











































