Best Budget Air Purifiers for Dust and Pollution (September 2023)

The Mi Air Purifier 3 is one of the most affordable ways to improve the air quality in your home. The Mi Air Purifier 3 features a 360-degree intake design which pulls air in through a true HEPA filter, only to expel it out the top. This design helps prevent the classic “air-bubble" effect. This means that the air being expelled from the air purifier isn't limited to a small bubble around the air purifier only, making it ideal for most rooms the size of up to 400 square feet.

Acer's portable air purifier comes with a 4-in-1 HEPA filter that helps get rid of 99.97 per cent of ultra-fine dust, 99.99 per cent of bacteria, and other infectants. It is rated to cover a 484 Sq ft area and should be suitable for most medium-sized rooms. It also comes with convenience features like an LCD display to show real-time air quality and a safety lock. A smart sensor automatically adjusts the speed based on the level of pollutants detected in the room.

This smart and portable air purifier is rated to cover 1345 sq ft of area, which makes it suitable for large rooms and halls. The purifier integrates Google Assistant and Alexa support and can thus be operated using voice commands or using the smartphone app. It comes with a three-layer filtration system including a pre-filter, True HEPA filter, and an activated-carbon filter.

This air purifier from Blue Star claims to cover an area of 800 sq ft, which should be more than enough for a large room or even a hall. The purifier packs a HEPA filter to ensure proper purification of air. It also packs a digital PM 2.5 display, letting you monitor the purification process. There is also a 3-stage LED indicator to monitor indoor air quality levels. The odour sensor in this air purifier detects bad odour automatically and removes it from your surroundings. Finally, there is SensAir technology that monitors indoor air quality and adjusts the speed and performance of the purifier.

The Kent Aura is a pretty good option for those with a tight budget. Even with its affordable price, the purifier is said to be able to cover an area of 270 sq ft, which should be suitable for most medium-sized rooms. Thanks to its compact size, you can easily place it anywhere around your home. It also comes with an Antibacterial HEPA filter, Activated Carbon, and Pre-Filter, which should capture the most common particle allergens. The purifier comes with an ionizer that makes the room feel fresher. Further, there are Auto Shutdown and timer options, so you can set the purifier to shut down at a particular time.

The AGARO Purewave room air purifier is a great choice for anyone that is looking for a purifier that can cover a large area, at an affordable price. This air purifier is said to cover an area of 625 sq ft, which is pretty impressive for its asking price. The air purifier features multiple filters that can block lint, pollen, pet hair, and dust bunnies. There is also a charcoal filter that should eliminate odors from smoking or cooking.

A key issue with air purifiers is that in order to be effective, they need clean filters. Usually, the only way to know when filters need replacing is to periodically check them, which can get tedious. This air purifier comes with an Auto Filter Clean LED, which notifies the user when it is time to replace the filter. There is also the Microbe DeActive+ technology, which is said to absorb and deactivate bacteria, pollen, mould, and dust mites.

This air purifier from Philips is a pretty good option for small rooms as it has a coverage area of 234 sq ft. It packs a HEPA filter, which is said to clean 99.9% of viruses and aerosols from the air. There is also a separate Sleep Mode during which the lights on the display are dimmed and the purifier operates in a special near-silent mode. Further, the smart filter indicator calculates filter lifetime based on pollution level and operation time. It will then notify you when the filter needs replacing.

This air purifier from realme comes with a three-stage filtration system with HEPA H12 filters. This filter is said to capture 99.5% of airborne particles that are as small as 0.3 microns in size. It is said to offer coverage of 419 sq ft, which should be fine for most medium sized rooms. The purifier comes with five fan modes including an Auto Mode that automatically adjusts the speed based on ambient air quality levels.