There are many options to choose from when looking for the best air purifier online. With so much information available, it can be hard to find the best one for your needs. There are a few things you should keep in mind before making your decision:

1) What type of air purifier do I need? Do I want an air filter, ionizer, or UV light?
– Air filter: use a HEPA filter to trap particles from the air. Best for removing odors and allergens, but no harmful chemicals or gases in the air.
– Ionizer: emits negative ions that attach themselves to dust and smoke, which reduces your exposure by attaching to larger airborne pollutants before you inhale them into your lungs. Best for smoke and harmful chemicals in the air, but doesn’t remove odors or allergens.
– UV light: emits ultraviolet rays that kill bacteria, viruses, mold spores, germs, and other pollutants. Best for killing microorganisms that can cause asthma attacks or allergies to flare up.

2) How big is my space? Will this purifier fit into the area that needs cleaning?
You need to take into consideration the size of your space before making a purchase. Some purifiers are meant to be tabletop models, while some require you to attach them directly on the wall or window for optimal performance.

3) Is there anything specific I am looking for – like allergies or asthma?
If you are looking for an air purifier to relieve allergies or asthma, you will need a specialized purifier for this specific purpose. Air purifiers can filter out various pollutants, but not all of them are effective in reducing the allergens and irritants associated with asthma attacks or allergies.

With so many brands providing different features, choosing the best one for your needs can be challenging. Knowing what you want and where to look will help narrow down your choices significantly, making finding a great air purifier an easy process!