The Numbers First
Canola oil smoke point is approximately 204°C (400°F) for refined canola oil, which is the most common form sold in grocery stores. For a complete overview, see our Olive Oil Comparisons guide.Unrefined, cold-pressed canola oil has a lower smoke point of approximately 150–170°C (302–338°F)1.
These numbers make canola oil competitive with most common cooking oils — but the smoke point tells only part of the story when choosing a cooking fat for your kitchen.
What "Smoke Point" Actually Means
The smoke point is the temperature at which a cooking fat begins to emit visible smoke. Beyond this point, several things happen:
Flavor compounds degrade: The compounds that give cooking fats their flavor — and in the case of olive oil, the compounds that drive health claims — begin to break down and produce off-flavors.
Nutritional degradation: Above the smoke point, polyunsaturated fats (which canola oil is high in) can form aldehydes and other oxidation products. This is particularly relevant for canola oil, which has a high linoleic acid (omega-6) content.
Food safety concerns: Acrolein — a potentially harmful compound — is released when cooking fat reaches very high temperatures and begins to break down.
For home cooking, the practical threshold is approximately 190–200°C. At temperatures above this, even fats with higher listed smoke points may begin to degrade.
Canola Oil in Detail
Canola oil is refined rapeseed oil — bred to have lower erucic acid content than commodity rapeseed oil (which had health concerns). It is one of the most widely used cooking oils in the world, particularly in processed foods and restaurant cooking, because of its neutral flavor, affordable price, and reasonable smoke point.
Fatty acid composition of canola oil:
- Oleic acid (MUFA): 55–65%
- Linoleic acid (omega-6): 18–25%
- Alpha-linolenic acid (omega-3): 9–11%
- Saturated fat: 6–8%
The omega-6 content is significant — at 18–25% of total fat, canola oil delivers substantially more omega-6 per tablespoon than olive oil (which delivers 3–5x less). In the context of a diet that is already high in omega-6 from multiple sources, this matters1.
How Canola Oil Compares to Other Cooking Oils
| Oil | Smoke Point | Primary Fat Type | Notable |
|---|---|---|---|
| Avocado oil (refined) | 271°C | High MUFA | Best for high-heat |
| Rice bran oil | 254°C | Mixed | Good high-heat |
| Refined olive oil | 238°C | High MUFA | Better profile than canola |
| High-oleic sunflower | 232°C | High MUFA | Good heat stability |
| Canola oil | 204°C | Mixed MUFA/PUFA | Moderate omega-6 |
| Extra virgin olive oil | 190–215°C | High MUFA | Has polyphenols, best for medium-heat |
| Unrefined coconut oil | 177°C | High saturated | Low-heat only |
Canola oil's smoke point is adequate for most home cooking (sauteing, pan-frying, baking), but it is not exceptional. For high-heat applications like deep frying or wok cooking above 210°C, oils with higher smoke points (avocado oil, rice bran oil, refined olive oil) are more appropriate.
The Health Concerns with Canola Oil
Beyond smoke point, canola oil raises several health considerations:
Omega-6:Omega-3 ratio: Canola oil has approximately 2:1 omega-6:omega-3 ratio — better than most seed oils (soybean oil is 7:1), but still contributing to the overall high omega-6 intake in Western diets. Excessive omega-6 relative to omega-3 is associated with systemic inflammation.
Processing concerns: Canola oil is almost universally extracted using hexane solvent extraction — the same method used for other seed oils. While regulatory bodies consider the residual hexane levels in refined oils to be safe, the use of petroleum-derived solvents in food production is a consideration for consumers who prioritize minimally processed foods.
GMO concerns: The majority of canola grown in North America is genetically modified. For consumers avoiding GMO products, organic or non-GMO verified canola oil is available but less common and more expensive.
Refining destroys antioxidants: Like all refined oils, canola oil has its natural antioxidant compounds stripped away during processing. There is no meaningful nutritional value beyond the fatty acid profile itself.
When to Use Canola Oil
Canola oil is a reasonable choice when:
- You need a neutral-flavored cooking fat for baking or frying
- Cost is the primary consideration
- High-heat cooking is needed and you don't want to pay for avocado oil
- You are not concerned about omega-6 content or processing methods
Canola oil is not the best choice when:
- You want the health benefits of monounsaturated fat with olive oil's polyphenol content
- You are cooking at very high heat and want maximum stability
- You prefer minimally processed fats
- You are managing omega-6 intake for inflammatory conditions
The Better Alternatives by Application
For high-heat cooking (deep frying, wok): Avocado oil — higher smoke point, better fatty acid profile, no GMO concerns.
For medium-heat cooking (sauteing, baking): Refined olive oil — better fatty acid profile, no GMO, similar smoke point.
For budget neutral cooking: Canola oil is functional, but the trade-off between cost and nutritional Quality is real.
The Bottom Line
Canola oil's smoke point of 204°C is adequate for most home cooking applications and competitive with most common cooking oils. But smoke point is not the only consideration — the high omega-6 content, solvent-based processing, and prevalence of GMO canola are legitimate concerns that make avocado oil or refined olive oil better choices when budget allows.
For high-heat cooking above 210°C, canola oil is not the optimal choice. For everything below that temperature, it is functional — but not ideal.
Frequently Asked Questions
What is the smoke point of canola oil?
Canola oil smoke point is approximately 400°F (204°C) for refined canola oil, the most common form. Unrefined or cold-pressed canola oil has a lower smoke point around 325°F. These temperatures are adequate for most home cooking but below avocado oil (520°F) and refined olive oil (468°F). The smoke point indicates the temperature at which visible smoke appears — indicating degradation of volatile compounds and free fatty acids. Using oil below its smoke point is important for both flavor and nutritional quality.1
Is canola oil good for high-heat cooking?
Canola oil is adequate for moderate high-heat cooking (up to 400°F) but not for extreme temperatures. Its polyunsaturated fat content makes it more susceptible to oxidative degradation at higher temperatures than olive oil's monounsaturated fat. Canola oil's primary advantage for high-heat cooking is its neutral flavor and lower cost compared to avocado oil or refined olive oil. For deep frying or other cooking above 400°F, avocado oil or refined plant oils with higher smoke points are more appropriate choices.1
What is canola oil made from?
Canola oil is made from rapeseed (Brassica napus) that has been bred to have low erucic acid content (below 2%) for food use. The original rapeseed oil was high in erucic acid, which was associated with cardiac concerns. Canola was developed through conventional plant breeding to reduce erucic acid. Virtually all commercial canola oil is refined using hexane solvent extraction, which is standard for seed oils. "Canola" is a trademarked term; the generic equivalent is rapeseed oil with low erucic acid content.1
Referencesl. "Oil, Canola." https://fdc.nal.usda.gov/fdc-app.html
1. International Olive Council. "Trade Standards for Olive Oil." https://www.internationaloliveoil.org/our-products/olives/