Who Is It For?

Tired of smoke lingering in your home? The right air purifier can transform your indoor air quality and make breathing easier. It’s crucial to find a model that excels in performance, value, and user experience. Therefore, this review aims to help you choose the best air filters for smoke based on these factors. We highly recommend the Blueair Blue Pure 511 Air Purifier
ÂŁ89.00Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product. for its outstanding effectiveness and ease of use.
Popular Air Purifier Options


If you’re looking for more air purifier options, there are several great models to consider. Each one has unique features that might suit your needs better. Here, we will look at three popular models: the Blueair Blue Pure 511 Air Purifier, the Shark NeverChange5 Air Purifier
ÂŁ215.00Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product., and the Blueair Blue Max 3250i Air Purifier
ÂŁ149.00Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product..
The Blueair Blue Pure 511 Air Purifier is perfect for small spaces. It removes 99.97% of airborne particles and connects to Wi-Fi, making it easy to control from your phone. On the other hand, the Shark NeverChange5 Air Purifier has a unique self-cleaning filter, which means less hassle for you. It operates quietly and is simple to set up. (Comprehensive Review of Air Filters for Mold Control)
For larger areas, the Blueair Blue Max 3250i Air Purifier is a fantastic choice. It can clean the air in spaces up to 48 square meters and has smart features that allow you to integrate it with your home devices. Each of these purifiers excels in different areas, so consider what fits your needs best!
| Product | Best For | Key Specs |
|---|---|---|
| Blueair Blue Pure 511 Air Purifier | Small spaces | 22m² area, 99.97% particle removal, Wi-Fi connectivity |
| Shark NeverChange5 Air Purifier | Convenient maintenance | Self-cleaning filter, easy setup, quiet operation |
| Blueair Blue Max 3250i Air Purifier | Large areas | 48m² area, high CADR, smart home integration |
Design, Size & Build Quality
When looking for an air purifier, the design, size, and build quality are very important. You want something that fits well in your home and looks nice. Let’s compare three popular models: the Blueair Blue Pure 511 Air Purifier, the Shark NeverChange5 Air Purifier, and the

Blueair Blue Max 3350i
ÂŁ199.00Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product..
The Blueair Blue Pure 511 Air Purifier is compact and perfect for small spaces, covering areas up to 22m². Its modern design comes in fun colors, making it an attractive addition to any room. It’s lightweight, which makes it easy to move around.
In contrast, the Shark NeverChange5 Air Purifier is designed to handle larger areas. It has a sleek and stylish look, and its build quality feels sturdy. However, it is slightly bulkier than the Blue Pure 511, making it less portable.
Lastly, the Blueair Blue Max 3350i is larger than both of the other models. It can efficiently clean spaces up to 48m². The design is elegant, and it includes smart features like Wi-Fi connectivity. While it’s not as portable as the Blue Pure 511, its powerful performance makes it a solid choice for larger rooms.
| Product | Best For | Size | Design Features |
|---|---|---|---|
| Blueair Blue Pure 511 Air Purifier | Small spaces | Compact | Colorful, modern |
| Shark NeverChange5 Air Purifier | Medium to large spaces | Bulky | Sleek, sturdy |
| Blueair Blue Max 3350i | Large spaces | Large | Elegant, smart features |
In summary, if you need a small, colorful option, the Blueair Blue Pure 511 Air Purifier is ideal. For a sturdy option that handles medium spaces, consider the Shark NeverChange5 Air Purifier. If you need powerful performance for larger areas, the Blueair Blue Max 3350i is the way to go.
Air Filtration Effectiveness
Air filtration performance is crucial for clean and healthy air. Many people worry about smoke and odors in their homes, but the right air purifier can help. In this section, we will explore how different models effectively remove harmful particles and improve indoor air quality.
- Some models excel at capturing smoke particles.
- Others focus on reducing odors effectively.
- Noise levels vary, impacting your comfort at home.
- User-friendliness is a key factor for easy operation.
HEPA & Carbon Filter Performance
When choosing an air purifier, it’s important to consider how well it cleans the air. The efficiency of HEPA and carbon filters plays a big role in this. Let’s look at three popular models: the Blueair Blue Pure 511 Air Purifier, the Blueair Blue Max 3250i, and the Shark NeverChange5 Air Purifier.
The Blueair Blue Pure 511 Air Purifier is designed for smaller spaces, filtering air in areas up to 22 square meters. It can remove 99.97% of particles as small as 0.1 microns. This makes it quite powerful for its size and a great choice for budget-conscious buyers.
The Blueair Blue Max 3250i offers similar HEPA efficiency, also removing 99.97% of particles down to 0.1 microns. However, it covers larger areas up to 48 square meters, making it better for bigger rooms. Additionally, it has a built-in air quality sensor that automatically adjusts its settings based on the air quality.
On the other hand, the Shark NeverChange5 Air Purifier is effective at capturing allergens and odors but is designed with a different filter system. It is user-friendly and has a unique feature that allows for easier maintenance without needing to replace filters frequently.
| Product | Room Size | Particle Removal | Air Quality Sensor |
|---|---|---|---|
| Blueair Blue Pure 511 Air Purifier | Up to 22 m² | 99.97% down to 0.1 microns | No |
| Blueair Blue Max 3250i | Up to 48 m² | 99.97% down to 0.1 microns | Yes |
| Shark NeverChange5 Air Purifier | — | Effective for allergens and odors | No |
In summary, the Blueair models excel in HEPA filter efficiency, with the Blue Max 3250i being the best for larger spaces. The Shark NeverChange5 is a great choice for ease of use, though it may not offer the same level of particle removal. Consider your space and needs when choosing the right air purifier!
Coverage Area & CADR Rating
When choosing an air purifier, it’s essential to consider the coverage area and the Clean Air Delivery Rate (CADR) rating. These factors help determine how effectively an air purifier can clean the air in your space. Let’s look at three popular models: Blueair Blue Pure 511 Air Purifier, Blueair Blue Max 3250i Air Purifier, and Shark NeverChange5 Air Purifier.
The Blueair Blue Pure 511 Air Purifier is designed for smaller spaces, covering up to 22 square meters. It has a CADR of 240 mÂł/h, which means it can effectively clean the air in a small room quite quickly. In comparison, the Blueair Blue Max 3250i Air Purifier is suitable for larger areas, covering up to 48 square meters, and boasts a CADR of 239 mÂł/h. This makes it a great choice for bigger rooms where you need more power.
On the other hand, the Shark NeverChange5 Air Purifier is versatile, with a coverage area of 30 square meters. Its CADR is not specified, but it is designed to handle typical household air quality issues efficiently.
| Product | Coverage Area | CADR (mÂł/h) |
|---|---|---|
| Blueair Blue Pure 511 Air Purifier | 22 m² | 240 |
| Blueair Blue Max 3250i Air Purifier | 48 m² | 239 |
| Shark NeverChange5 Air Purifier | 30 m² | — |
In summary, if you need an air purifier for a small room, the Blueair Blue Pure 511 Air Purifier is an excellent choice. For larger areas, the Blueair Blue Max 3250i is more suitable. However, if you want something versatile, the Shark NeverChange5 Air Purifier covers a decent area, making it a good option for typical living spaces.
Noise Levels & Sleep Mode
When choosing an air purifier, noise level is an important factor, especially if you plan to use it while sleeping. Some models are designed to run quietly, helping you rest without distractions. Let’s compare three popular options: the Blueair Blue Pure 511 Air Purifier, the Shark NeverChange5 Air Purifier, and the Blueair Blue Max 3350i.
The Blueair Blue Pure 511 Air Purifier is known for its quiet operation. It has a sleep mode that makes it even quieter, making it a great choice for bedrooms. Users enjoy its peace while it cleans the air.
In contrast, the Shark NeverChange5 Air Purifier operates at a slightly higher noise level but still offers a sleep mode. This mode reduces noise, making it more suitable for nighttime use, although some users find it a bit louder than the Blueair model.
Lastly, the Blueair Blue Max 3350i is designed for powerful performance. While it can be louder on higher settings, it also features a sleep mode that minimizes noise, allowing for a restful environment at night.
| Product | Noise Level in Sleep Mode | Best For |
|---|---|---|
| Blueair Blue Pure 511 Air Purifier | Very Quiet | Bedrooms |
| Shark NeverChange5 Air Purifier | Moderate | General Use |
| Blueair Blue Max 3350i | Quiet in Sleep Mode | Powerful Performance |
In summary, if you want a very quiet air purifier for sleep, the Blueair Blue Pure 511 is an excellent choice. For general use, the Shark NeverChange5 is also a solid option, while the Blueair Blue Max 3350i balances performance with reasonable noise levels.
Smart Features & Usability
smart features and ease of use are essential for any air purifier. These aspects make it simple for anyone to improve their home’s air quality without hassle. (Comprehensive Automatic Air Purifier Review: Top Picks)
Many products stand out because they are user-friendly and packed with smart technology. For instance, some models allow remote control via smartphones, making it easy to check air quality or adjust settings from anywhere. Additionally, features like quiet operation and energy efficiency enhance convenience and comfort. (Blueair Blue Pure 511 Air Purifier Review: Best Overall Choice)
- Smartphone connectivity for easy control
- Quiet operation for peaceful environments
- Energy-efficient designs to save on bills
These innovations help create a more enjoyable living space, making it easier to breathe fresh air every day.
App Control & Air Quality Monitoring
When it comes to air purifiers, having smart features can make a big difference. The Blueair Blue Pure 511 Air Purifier stands out with its app control and built-in air quality sensor. This means you can monitor your air quality right from your phone! It also adjusts its settings automatically based on the air quality, making it easy for you.
The Shark NeverChange5 Air Purifier also has an air quality sensor. It provides real-time feedback but does not have an app for remote control. This might be a drawback if you want to adjust settings from another room. However, it still effectively cleans the air and is user-friendly.
Another great option is the Blueair Blue Max 3350i, which features both app control and an air quality sensor. This model also allows you to connect with voice assistants like Amazon Alexa, giving you more convenience.
| Product | App Control | Air Quality Sensor | Voice Assistant |
|---|---|---|---|
| Blueair Blue Pure 511 Air Purifier | Yes | Yes | No |
| Shark NeverChange5 Air Purifier | No | Yes | No |
| Blueair Blue Max 3350i | Yes | Yes | Yes |
In summary, if you want a smart air purifier that you can control from your phone, the Blueair Blue Pure 511 Air Purifier is an excellent choice. However, if you prefer a more straightforward option with a reliable air quality sensor, consider the Shark NeverChange5 Air Purifier. The Blueair Blue Max 3350i is perfect if you want both app control and voice assistance.
Energy Efficiency & Upkeep Costs
Energy efficiency and maintenance costs are important when choosing an air purifier. Many people want to save money on energy bills while keeping their air clean. Therefore, understanding how different models perform can help you make a smart choice.
Here are some factors to consider:
– Energy consumption varies by model.
– Filter replacement costs can add up over time.
– Noise levels may affect your daily life.
– Performance impacts how often you need maintenance.
Filter Replacement & Operating Expenses
When choosing an air purifier, understanding filter replacement and running costs is important. This helps you know how much you will spend over time. Let’s compare three popular models: Blueair Blue Max 3250i,

Blueair Blue 511i Max Smart WiFi Air Purifier
ÂŁ129.99Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product., and Shark NeverChange5 Air Purifier.
The Blueair Blue Max 3250i has a three-stage filter system that is effective for larger spaces, up to 48m². Its filter lasts around 6 months, making it convenient but slightly more costly to replace. On the other hand, the Blueair Blue 511i Max Smart WiFi Air Purifier is designed for smaller areas, up to 22m². It has a similar filter life but is more affordable, making it a budget-friendly option. Lastly, the Shark NeverChange5 Air Purifier is unique because it promises no filter replacements for up to 5 years, which can save you money in the long run, although the initial price is higher.
| Product | Space Size | Filter Life | Replacement Cost | Unique Feature |
|---|---|---|---|---|
| Blueair Blue Max 3250i | Up to 48m² | 6 months | Moderate | 3-stage filter system |
| Blueair Blue 511i Max Smart WiFi Air Purifier | Up to 22m² | 6 months | Low | Wi-Fi connectivity |
| Shark NeverChange5 Air Purifier | — | 5 years | — | No filter replacements |
In summary, if you want a powerful purifier for larger spaces, the Blueair Blue Max 3250i may be best, even with higher running costs. For smaller areas, Blueair Blue 511i Max Smart WiFi Air Purifier is a great option. However, if you want to save on filter costs, the Shark NeverChange5 Air Purifier is an excellent choice with its long filter life.
Safety Features & Certifications
When it comes to air purifiers, safety and certifications are very important. They show how well the product works and that it is safe to use in your home. Here, we will look at three popular air purifiers: Blueair Blue Pure 511 Air Purifier, Shark NeverChange5 Air Purifier, and Blueair Blue Max 3350i.
The Blueair Blue Pure 511 Air Purifier is designed to filter the air in small spaces, up to 22m². It has a strong HEPA filter that can remove 99.97% of tiny particles down to 0.1 microns. This is great for people who are sensitive to dust, pollen, or pet dander. Additionally, it has been certified for safe use by various safety organizations, ensuring it meets high standards.
The Shark NeverChange5 Air Purifier is another solid choice. It is also safe and effective for homes. This model is known for its easy filter replacement, which makes it user-friendly. Shark’s purifiers are typically tested for safety and efficiency, offering peace of mind for families.
On the other hand, the Blueair Blue Max 3350i is designed for larger spaces, handling areas up to 48m². It also uses a HEPA filter and can remove the same level of tiny particles as the Blue Pure 511. The Max 3350i has safety certifications that confirm it operates quietly and effectively, making it a great choice for bedrooms or living areas.
| Product | Room Size | HEPA Filter Efficiency | Safety Certification |
|---|---|---|---|
| Blueair Blue Pure 511 Air Purifier | Up to 22m² | 99.97% down to 0.1 microns | Yes |
| Shark NeverChange5 Air Purifier | Up to 25m² | 99.97% down to 0.3 microns | Yes |
| Blueair Blue Max 3350i | Up to 48m² | 99.97% down to 0.1 microns | Yes |
In summary, all three air purifiers—Blueair Blue Pure 511, Shark NeverChange5, and Blueair Blue Max 3350i—offer excellent safety and efficiency. Choose the one that best fits your space and needs!
User Feedback & Reviews
Many people love the Blueair Blue Pure 511 Air Purifier because it is powerful yet affordable. Users appreciate its ability to remove 99.97% of airborne particles, making it great for small spaces. However, some found it a little slower to react to dust and cooking smells compared to other models.
The Blueair Blue Max 3250i also gets high marks from customers. People like its stylish design and fast air quality improvement. Many reviews mention how quickly it cleared bad odors, especially cooking smells. However, it is designed for slightly larger rooms, which may not be necessary for everyone.
Another popular choice is the Shark NeverChange5 Air Purifier. Users enjoy that it doesn’t require frequent filter changes, which saves time and money. However, some point out that it’s bulkier than other models, which might be a downside for smaller spaces.
| Product | Best For | Key Features |
|---|---|---|
| Blueair Blue Pure 511 Air Purifier | Small spaces | 99.97% particle removal, Wi-Fi connectivity, air quality sensor |
| Blueair Blue Max 3250i | Medium rooms | Fast air quality improvement, stylish design, odor removal |
| Shark NeverChange5 Air Purifier | Low maintenance | No frequent filter changes, efficient air cleaning |
Value Assessment & Conclusion

The Blueair Blue Pure 511 Air Purifier
ÂŁ89.00Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product. offers excellent value for money. Therefore, it stands out as an affordable option that effectively cleans the air in smaller spaces. Also, it features a sleek design and powerful filtration, removing 99.97% of airborne particles down to 0.1 microns. With its user-friendly interface and smart connectivity, it allows for easy monitoring and control of air quality.
In conclusion, if you’re looking for an air purifier that combines performance and affordability, the Blueair Blue Pure 511 Air Purifier is a fantastic choice. Still, be sure to consider your specific space needs and preferences to maximize its benefits.
Common Questions
This air purifier can remove at least 99.97% of airborne particles, including smoke, down to 0.1 microns. It is very effective for tackling odors and pollutants from cooking or smoking.
No, it operates quietly. It is quieter than a whisper at its lowest setting, which makes it suitable for use in bedrooms and during nighttime.
No, the Blueair Blue Pure 511 does not include smart features like Wi-Fi connectivity or app control. However, it has a simple two-button design for easy operation.
The purifier uses a combination of a washable pre-filter and a HEPASilent filter. This combination captures small particles and also neutralizes odors.
The filters should be replaced every 6 to 12 months, depending on usage. Regular replacement helps maintain optimal performance and air quality.
Yes, it is a great choice for allergy sufferers. Its HEPA filter captures pollen, dust, and pet dander, helping improve indoor air quality.
Yes, the Blueair Blue Pure 511 is lightweight and portable, making it easy to move from room to room as needed.