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You are at:Home»Home & Garden»Cleaning»Breathe Free! How to Get Onion Smell Out of Apartment Fast
Cleaning

Breathe Free! How to Get Onion Smell Out of Apartment Fast

Jurica SinkoBy Jurica SinkoJune 13, 2025Updated:July 31, 2025No Comments18 Mins Read
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A pot simmering with citrus peels on a stove, illustrating how to get rid of onion smell in an apartment.
Table of Contents
  • How to Get Onion Smell Out of Apartment
    • How to Get Onion Smell Out of Apartment: Why Acting Fast Is Key to Removing Onion Smell
  • Immediate Attack: First Steps to Get Onion Smell Out of Apartment
    • Step 1: Maximize Ventilation to Get Onion Smell Out of Apartment Air
    • Step 2: Locate and Remove the Source of the Onion Smell
  • Natural Absorbents: Methods to Get Onion Smell Out of Apartment Air
    • Expert Tip 1: Baking Soda – Your Go-To for Absorbing Onion Odor
    • Expert Tip 2: Coffee Grounds – A Potent Odor Neutralizer for Onion Smell
    • Expert Tip 3: White Vinegar – A Natural Deodorizer for Onion Smell
  • Deep Cleaning & Odor Removal: Tackling Surfaces to Get Onion Smell Out of Apartment
    • Cleaning Hard Surfaces: Walls, Countertops, and Floors to Remove Onion Smell
    • Cleaning Fabrics: Upholstery, Curtains, and Carpets to Eliminate Onion Smell
  • Targeting Hidden Culprits: Don’t Miss These Spots When Trying to Get Onion Smell Out of Apartment
    • Checking Appliances and Drains for Lingering Onion Odor
    • Dealing with Trash Cans and Food Storage
  • Aromas & Air Quality: Freshening the Air to Get Onion Smell Out of Apartment
    • Using Natural Scents to Overpower Onion Odor
    • Considering Air Purifiers and Commercial Products
  • Preventing Future Smells: Smart Ways to Avoid Having to Get Onion Smell Out of Apartment
    • Smart Strategies: Kitchen Habits to Avoid Lingering Onion Odors
  • When to Call a Professional: Expert Help for Extreme Odors in Your Apartment
    • Finding the Right Expert: Professional Help for Removing Odors from Your Apartment
  • Long-Term Care: Maintaining Your Apartment’s Freshness After Getting Onion Smell Out
    • Essential Steps for Ongoing Apartment Freshness: Keeping Your Home Clean After Removing Onion Odor
  • Final Thoughts for How to Get Onion Smell Out of Apartment
  • FAQ – How to Get Onion Smell Out of Apartment

That rich smell of onions cooking how to get onion smell out of apartment? Delicious, right? It’s the start of many great meals. But what happens when that pleasant scent won’t leave your apartment? What happens when it becomes a strong, eye-watering smell that just stays? You know the one. That heavy, strong cloud that hits you when you walk in. I once spent a whole Saturday making French onion soup. By Sunday, my place smelled less like a nice restaurant. It smelled more like an onion factory. My first thought, naturally, was, “How in the world do I get onion smell out of apartment fast?”

If you are reading this, you are probably fighting a similar smell war. Maybe you cooked too many onions. Perhaps you left some open on the counter too long. Or, your neighbors just love strong-smelling food. Good news! An onion smell might seem like it’s there to stay. However, removing onion smell from apartment spaces is often quite possible. It needs patience. It needs the right plan. And it needs many steps. But truly, don’t give up. Your apartment doesn’t have to smell like a giant onion forever. This guide will show you precisely how to get onion smell out of apartment.

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How to Get Onion Smell Out of Apartment

Before we start fixing the smell, let’s learn why onion odors stay so long. Onions have sulfur parts. When you cut or cook them, these parts go into the air. They are very active. They easily stick to surfaces. This means the smell doesn’t just float in the air. It actually gets into your things. It gets into curtains, couches, carpets, and even walls. This, then, is a main reason why it’s so hard to get onion smell out of apartment. Indeed, just opening a window is often not enough.

The problem, furthermore, gets worse if the smell has been there for a while. Old cooking smells, in particular, tend to stay. They can become very deep. This makes them much harder to remove later. This knowledge, consequently, is key when you want to get onion smell out of apartment well. Remember, a fresh smell from dinner is easier to clean than a smell from a week ago.

How to Get Onion Smell Out of Apartment: Why Acting Fast Is Key to Removing Onion Smell

An onion smell is like an uninvited guest. The faster you act to make it leave, the better your chances of success. This is because the smell parts haven’t fully settled. They haven’t deeply stuck to every surface in your apartment. The longer the smell stays, the more it spreads. It can go into fabrics and other things. This makes it much harder to remove later. Indeed, every minute counts when you need to get onion smell out of apartment.

I remember once, for instance, a small onion piece rolled under my fridge. I didn’t see it for a few days. The smell was light at first. But it soon became a strong, bad smell. The longer it stayed, the harder it was to find. And, subsequently, the harder it was to get rid of. This, ultimately, shows why acting fast is so important when removing onion smell from apartment spaces.


Immediate Attack: First Steps to Get Onion Smell Out of Apartment

When that strong onion smell hits, act right away. Think of it as a defense move. These first steps are key to stop the smell from spreading and settling in. They are the base for getting onion smell out of apartment.

Step 1: Maximize Ventilation to Get Onion Smell Out of Apartment Air

The very first thing to do is open windows. Open as many as you can. This lets air flow through. If you have a kitchen fan, turn it on high. Even bathroom fans can help. If it’s cold outside, dress warmly. Fresh air is your best friend. It helps push old, onion-filled air out.

Beyond just opening windows, use fans. Put a box fan in a window, facing out. This will pull the smelly air right out of your apartment. You can also put another fan facing in, in a different window. This creates a strong air flow. This alone can greatly lower the immediate onion smell. It’s the simplest, yet most important, step for removing onion smell from apartment spaces.

Step 2: Locate and Remove the Source of the Onion Smell

This might seem clear. However, sometimes the source is not just the pan on the stove. Did an onion skin fall behind the counter? Is there a forgotten cutting board with onion bits? Perhaps a trash can has onion peels. Or, even, a plate with leftover onion rings?

Look closely in your kitchen. Check counters, floors, and under appliances. Look in the trash can. If the smell is strong, take out all kitchen trash right away. Tie the bag tightly. Take it to an outside bin. This simple act can often greatly cut the overall onion smell. It’s a quick win in your fight to get onion smell out of apartment.


Natural Absorbents: Methods to Get Onion Smell Out of Apartment Air

Once you have fresh air and no obvious sources, it’s time to deal with smells that stay. Odor absorbers are great for this. They don’t just hide smells. They actually catch and stop the smell parts. These methods are key to truly removing onion smell from apartment air.

Expert Tip 1: Baking Soda – Your Go-To for Absorbing Onion Odor

Baking soda is a famous natural smell absorber. It’s cheap. It’s safe. And it works very well against many smells, including onion.

How to use it:

  1. Open Containers: First, fill several small bowls with baking soda.
  2. Strategic Placement: Put these bowls around your apartment. Focus on where the smell is strongest. This includes the kitchen, living room, and even bedrooms if the smell moved there.
  3. Fabric Freshener: Sprinkle baking soda directly on carpets, rugs, and furniture covers. Let it sit for several hours. Ideally, leave it overnight. Then, vacuum it all up well. The baking soda will absorb smells stuck in fabrics. This is a strong way for getting onion smell out of apartment from its fabric parts.
  4. Repeat if Needed: For very strong or lasting smells, you might need to change the baking soda every few days. You can also leave small, open containers of baking soda in hidden spots for ongoing smell control.

Expert Tip 2: Coffee Grounds – A Potent Odor Neutralizer for Onion Smell

Coffee grounds are another great natural absorber. They have a strong, nice smell of their own. This smell helps to cover the onion smell at first. More importantly, they take in other smells very well.

How to use it:

  1. Dry Grounds: Use fresh coffee grounds. Or use used grounds that are fully dry. Spread them on baking sheets or shallow dishes.
  2. Place Around Room: Put these dishes in places with the strongest onion smell.
  3. Leave Overnight: Let them sit for a few hours. For instance, leave them overnight. The coffee will work to stop the smell.
  4. Discard: Throw out the grounds once they have done their job. This method works well for removing onion smell from apartment kitchens.

Expert Tip 3: White Vinegar – A Natural Deodorizer for Onion Smell

White vinegar is a powerful cleaner and smell remover. It is acidic. This helps it break down parts that cause smells.

How to use it:

  1. Simmer: First, pour a cup of white vinegar into a pot with 2-3 cups of water. Bring it to a light boil on the stove. Let it simmer for 30 minutes to an hour. The steam, consequently, will help stop smells in the air. This is a great way to get onion smell out of apartment quickly.
  2. Spray: Or, mix equal parts white vinegar and water in a spray bottle. Lightly spray the air. You can also spray non-delicate fabrics like curtains. Test in a hidden spot first. The vinegar smell will go away as it dries. It takes the onion smell with it.

Deep Cleaning & Odor Removal: Tackling Surfaces to Get Onion Smell Out of Apartment

Air fresheners and absorbers are good. However, smells often stick to surfaces. For a full answer to getting onion smell out of apartment, you need to clean where the smell has settled.

Cleaning Hard Surfaces: Walls, Countertops, and Floors to Remove Onion Smell

Onion vapors settle on hard surfaces. This includes counters, walls, and floors. Use a good all-purpose cleaner. Or, mix warm water with some dish soap. Wipe down all kitchen surfaces well. Also, wipe down any nearby walls or baseboards. Don’t forget your kitchen cabinets. Grease and smell can build up there. For floors, clean with a solution that has a smell remover. This could be vinegar or a mild all-purpose cleaner. This is a very important step for removing onion smell from apartment hard surfaces.

Cleaning Fabrics: Upholstery, Curtains, and Carpets to Eliminate Onion Smell

Fabrics catch many smells. This includes your couch, curtains, rugs, and any fabric mats.

  • Wash What You Can: Take off and wash all items you can wash. This includes curtains, cushion covers, and throw blankets. Use your regular laundry soap. You can also add a cup of white vinegar to the wash for extra smell removal.
  • Clean/Deodorize Couches and Carpets: For items you can’t wash, sprinkle baking soda generously on the surface. Let it sit for several hours. Or, leave it overnight. Then, vacuum very well. For deeper cleaning, you might use a fabric smell remover spray. Or, rent a carpet cleaner if the smell is deep in your carpets. These steps are key for getting onion smell out of apartment from its fabric hiding spots.

Targeting Hidden Culprits: Don’t Miss These Spots When Trying to Get Onion Smell Out of Apartment

Sometimes, the smell is not easy to see. It can hide in places you might not think of. Finding these hidden spots is key for completely removing onion smell from apartment spaces.

Checking Appliances and Drains for Lingering Onion Odor

Onion bits can get stuck in appliances. This includes your microwave, oven, and fridge. Wipe down the inside of your microwave. Use water with lemon. Boil lemon slices in water inside the microwave. Then wipe. For your oven, use oven cleaner if needed. For the fridge, clean all shelves. Put an open box of baking soda inside to take in smells.

Drains can also trap smells. If you chopped onions near the sink, small pieces might have gone down the drain. Pour a cup of baking soda down the drain. Follow with a cup of white vinegar. Let it fizz for 15-30 minutes. Then, flush with hot water. This can help stop any lingering onion smell from the pipes. These steps are essential for a full effort to get onion smell out of apartment.

Dealing with Trash Cans and Food Storage

Your trash can is a main suspect. Even after emptying it, the smell can stay. Wash the inside of your trash can with hot, soapy water. You can also spray it with a vinegar solution. Let it dry outside if you can. Always use a trash bag. And for strong-smelling food waste, take it out to the main dumpster right away. Don’t let it sit inside. Also, check food storage containers. If you stored onions in a plastic container, the smell might have gotten into the plastic. Wash them well. If the smell stays, you might need new ones. These small things greatly affect your ability to get onion smell out of apartment.


Aromas & Air Quality: Freshening the Air to Get Onion Smell Out of Apartment

Once you have cleaned and absorbed, you can add nice smells. These help to make your apartment smell fresh and welcoming again. They can also help stop any last bits of onion smell.

Using Natural Scents to Overpower Onion Odor

Boiling spices can work wonders. In a small pot, add water. Then add cinnamon sticks, cloves, orange peels, or vanilla. Let it boil gently on the stove. The warm, nice smell will fill your apartment. This helps to replace the onion smell. It’s a pleasant way to help remove onion smell from apartment.

Essential oil diffusers are another great choice. Add a few drops of citrus (lemon, orange) or eucalyptus essential oil to a diffuser. Run it for several hours. These oils have natural smell-removing powers. They also give a clean, fresh scent.

Considering Air Purifiers and Commercial Products

An air purifier with a carbon filter can be a good buy. Carbon is excellent at catching smell parts. Run it all the time until the onion smell is gone. This is a smart step for managing air quality and getting onion smell out of apartment.

For smells that won’t go away, you might try commercial smell removers. Look for products that stop smells, not just hide them. These often have special agents that break down smell parts. Always follow product rules carefully.


Preventing Future Smells: Smart Ways to Avoid Having to Get Onion Smell Out of Apartment

You have successfully fought the onion smell. Now, how do you stop this problem from happening again? A little bit of prevention is better than a lot of fixing. Especially when “fixing” means a lot of cleaning! Taking steps to stop future smells is just as important as knowing how to get onion smell out of apartment.

Smart Strategies: Kitchen Habits to Avoid Lingering Onion Odors

Let’s look at some smart ways to protect your apartment from future onion problems:

  1. Ventilate While Cooking: Always use your kitchen fan when cutting or cooking onions. Open a nearby window if you can. Good air flow during cooking is key.
  2. Immediate Cleanup: As soon as you finish cutting or cooking onions, wipe down cutting boards and counters right away. Don’t let onion bits sit.
  3. Proper Storage: Store onions in a cool, dark, well-aired place. Don’t store them in plastic bags. These can trap wetness and smells.
  4. Dedicated Trash Bags: For onion peels or other strong-smelling food waste, use small, sealable bags inside your main trash can. Or, take them out to the dumpster right away.
  5. Air Fresheners Post-Cooking: After cooking strong-smelling foods, boil some spices. Or run an essential oil diffuser. This helps clear the air before smells settle. For tips on managing kitchen odors, resources like Good Housekeeping often give great advice on various home smells.

When to Call a Professional: Expert Help for Extreme Odors in Your Apartment

Sometimes, even after your best efforts, a smell just won’t leave. Or, perhaps, you have a very strong or lasting smell. This could be from a hidden source. Like an old leak. Or a very deep smell in a rented place. This is when it’s totally fine – and often smart – to call a professional. For those tough cases where you can’t get onion smell out of apartment yourself, professional help is very valuable. They are experts at removing onion smell from apartment spaces effectively.

Professional smell removal experts have strong machines. Like ozone generators. Or air scrubbers. They also have special cleaning liquids. They know a lot about finding smell sources. Then they can tell you the best way to fix it. It might cost some money. But it’s often a small price to pay to make your home smell fresh and clean again. I remember looking at my apartment after that French onion soup problem. I wondered if I’d ever truly get onion smell out of apartment again. Luckily, my own work fixed it. If it hadn’t, however, I would have called someone who knows what they’re doing.

Finding the Right Expert: Professional Help for Removing Odors from Your Apartment

To find a professional who can help you remove onion smell from apartment spaces, ask your landlord (if you rent). Or check with local cleaning companies that remove smells. You can also look up trained cleaning experts through groups. For example, the National Air Duct Cleaners Association (NADCA) sometimes lists experts who also handle general indoor air quality and smell issues.


Long-Term Care: Maintaining Your Apartment’s Freshness After Getting Onion Smell Out

You have successfully removed the onion smell from your apartment. Your job isn’t quite finished. To keep your home smelling its best. And to stop future problems. Constant, gentle care is key. This ongoing work is very important after you get onion smell out of apartment.

Essential Steps for Ongoing Apartment Freshness: Keeping Your Home Clean After Removing Onion Odor

Here are some essential steps for long-term apartment freshness. These are extra important after you’ve had to get onion smell out of apartment:

  1. Regular Cleaning: Vacuum often. Dust surfaces. Mop floors. This removes smell-causing bits before they build up.
  2. Ventilation Habits: Make opening windows a daily routine. Even for a few minutes. Especially after cooking.
  3. Use Absorbents Proactively: Keep small, open containers of baking soda in your fridge, freezer, and even in closets. They work quietly to absorb smells.
  4. Address Spills Immediately: Clean up any food spills quickly. Don’t let them sit and rot.
  5. Clean Appliances Regularly: Wipe down the inside of your microwave, oven, and fridge often. This stops food smells from building up.
  6. Maintain Drains: Sometimes, flush drains with baking soda and vinegar. Or, use a special drain cleaner to stop smells. For general home cleaning advice and tips to keep things fresh, resources like Real Simple offer excellent, practical advice.

Taking these steps will not only keep your apartment smelling fresh. It will also make it a nicer place to live. It’s an investment in your comfort, after all. And a little bit of care goes a long way.


Final Thoughts for How to Get Onion Smell Out of Apartment

So, you’ve learned a lot about how to get onion smell out of apartment. From my own “uh-oh, French onion soup disaster!” moment to the power of baking soda. From understanding different cleaning methods to the absolute need for quick action – it’s a lot to take in. But here’s the real point: don’t panic. Seriously.

Most onion messes in an apartment can be fixed. Or at least greatly improved. The main thing is to be careful. Be patient. And always, always deal with the smell’s source first. If the smell is fresh, you’re already in a good spot. If it’s an older, deeper smell, however, it might need more effort and many tries. But don’t give up hope. This guide should help you immensely with how to get onion smell out of apartment.

Remember, lasting smells are tough. But you can handle them. With the right way, you can usually make your home smell fresh and clean again. And if all else fails, professionals are ready to help. But for most of us, with some home supplies and a bit of effort, that terrible onion smell will just be a quick, forgotten memory. Good luck with getting onion smell out of apartment!

FAQ – How to Get Onion Smell Out of Apartment

A simple solution for the FAQ on how to get onion smell out of an apartment, using a bowl of vinegar to absorb odors in a clean kitchen
A simple solution for the FAQ on how to get onion smell out of an apartment, using a bowl of vinegar to absorb odors in a clean kitchen

When should I consider seeking professional help for onion odor removal?

If the onion smell persists despite your efforts, is very strong, or appears to be coming from hidden sources like deep-seated surfaces or appliances, it is advisable to hire professionals who have specialized equipment and knowledge to eliminate stubborn odors effectively.

Which natural absorbents are effective in removing onion odor from an apartment?

Baking soda, coffee grounds, and white vinegar are natural absorbers that can help neutralize and eliminate onion smells. Baking soda can be placed in bowls around the apartment or sprinkled on fabrics; coffee grounds can be left in dishes or spread on surfaces; vinegar can be steamed or sprayed in affected areas.

What are the first steps I should take immediately after noticing a strong onion smell?

Immediately open windows and turn on fans to ventilate the space, and locate and remove the source of the odor, such as spoiled onions, onion skins, or leftover food, to prevent the smell from spreading further.

Why is it important to act quickly to remove onion smell from an apartment?

Acting quickly is crucial because the sulfur compounds responsible for the onion smell haven’t fully settled and are easier to remove before they spread and stick to various surfaces and fabrics, which makes the odor harder to eliminate.

Why does onion smell linger so long in an apartment?

Onions contain sulfur compounds that become airborne and easily stick to surfaces when cooked or cut. These compounds can penetrate fabrics, walls, and furniture, making the smell difficult to eliminate and causing it to persist for a long time.

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