(Pocket-lint) - Picking up one of the top ionic air purifiers is a no-brainer for those who want to rid the air in their home from allergens, odours, and other impurities. 

Nowadays, most purifiers will come armed with numerous methods for cleaning the air, but one of the most common and effective is through ionisation. In addition to using UV light and various filters, an ionic purifier will release a stream of negatively charged ions that essentially latch onto impurities before turning them over to a positively charged collection plate.

Since this negative ionisation is paired with other methods, it can be tough to figure out what your home requires and what constitutes purifying overkill. To help you sift through the complex world of air purification, we've detailed some of the best ionic air purifiers on the market at a range of different budgets.

Best ionic air purifiers available to buy now

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HomeLabs 4-in-1 Air Purifier

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HomeLabs gives you four cleaning methods in one package, making this one of the best pound-for-pound picks around.

Like the other devices on this list, the negative ionizer is at the heart of eliminating impurities, but this process is backed up by a pre-filter, which handles large particles, a HEPA filter to catch everything else, and a carbon filter that tackles odours. 

The internal design is thorough, and the physical design (6.7 x 6.7 x 7.5-inches) makes it easy to move around the house, cleaning rooms up to 40 square feet.

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Nobebird Ionic Air Purifier

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Like other ionic purifiers, Nobebird combines many methods to help deliver a more complete package. 

Inside this model is an H13 HEPA filter, an activated carbon filter and a pre-filter - all backed up by negative ionisation.

It has a quiet mode designed to be used during sleep - running as low as 28dB - with the blue light on top also able to act as a night light (and can be turned off, if you prefer). However, during everyday use, there are four speeds to pick between and four different timer options to set, as well.

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Trekoo Ionic Air Purifier

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It may not be the most modern-looking air purifier, but this mountable, compact offering is packed with smart features. 

At the heart of the operation is the negative ion generator, which the company indicates can refresh a room up to 166 square feet in size. 

However, an ozone generator and carbon filter are also present to tackle odours, while the design itself is quiet-running and uses a sensor to detect (and increase operation) if people or pets are present.

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Silentnight Air Purifier

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Silentnight provides an entry-level ionic air purifier that doesn't skimp on features, making it a top consideration for those on a budget.

The HEPA filter is primarily used to remove allergens and odours in the air, with the negative ioniser operating as a separate feature that users can turn on to help clean outgoing air.

To give you better control over the process, there are also three different speed settings and a timer, allowing you to run the device for 1, 2, 4 or 8 hours. 

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Ivation Ionic Air Purifier

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This one may look like an old-timey stereo, but we can assure you it's a remarkably efficient purifier - and a great pick for those who don't want a new-age design.

Dials exist on the front to let you manually control the ozone generator's output and also the fan, with the negative ioniser working to freshen up areas up to 3,500 square feet in size.

It's an extremely powerful ioniser - reflected by the price - that can work around the house and even large, flat office spaces.

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Blueair Blue Pure 221

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If you need a powerful ionic purifier that can handle large rooms and offices, Blueair's 221 is an excellent choice.

The key difference between this behemoth and other devices is within the technical specs - offering a more efficient air change and comprehensive process - but one of the more tangible benefits is the fact you can place it anywhere in a room and it will still offer elite performance, thanks to the 360-degree air intake.

So, if you prioritise receiving a thorough clean and can stomach the outlay, this is a customizable, versatile and attractive device to consider. And if it's slightly too much power than necessary, you may be better served with Blueair's 411.

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Oion Technologies Air Purifier

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Another mid-level UV air purifier is available from Oion Technologies, which churns out cleaner air through its monolith design.

Through the negative ioniser, carbon filtration, UV-C light and ozone power, airborne pollutants, allergens, and odours are all dealt with, while a quiet mode and night light are also available for cleaning during the night.

Just note that while this will manage to kill off most airborne impurities, those looking for a device with HEPA and TiO2 filtration will have to look elsewhere. 

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PureMate PM 200

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It may look like it's been pulled out of your car's console, but PureMate's PM 200 is an ideal way to add some ionisation into your home. 

It doesn't combine different methods like other devices, and instead produces six million negative ions per second in order to rid your rooms of dust, allergens and odour. 

Even better, it runs extremely quiet during this process, and the filter is easy to clean and won't need replacing.

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Clarifion Portable Negative Ion Generator

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Most ionic air purifiers will need floor space to fit into your home, which makes Clarifion's portable, wall socket solution an ideal consideration for those who want a discreet alternative.

Able to be plugged in anywhere in the home, the quiet-running purifier emits negatively charged ions to help refresh impurities.

And though it doesn't use filters or fans during this process, having them dotted around your house could, in theory, give you a more wide-ranging clean.

Writing by Conor Allison.