I am thinking about whether I should get an air purifier for my home. The air outside lately seems quite polluted and there is a lot of dust and smoke sometimes. I worry about dust and allergens coming inside and affecting my family especially at night. I live in a moderately sized apartment and we sometimes have cooking smells or pet dander too. I want to know if an air purifier can really make a difference or if it is just a luxury. I am also thinking about electricity and maintenance costs. I do not have allergies now but I want to prevent possible problems in future. Does it make sense to invest in one now or wait until the air gets worse? I am also curious about what type of purifier would be best for general indoor air cleaning. Should I focus on HEPA filters or also consider activated carbon options? Any suggestions from people who have experience would be really helpful. 
I got an air purifier last year and it was worth it even though I do not have severe allergies. The air feels cleaner and cooking smells disappear faster. HEPA filters are great for dust and pollen while carbon filters help with odors. I think it is a good preventative investment.
I waited until I noticed some allergy symptoms before buying a purifier. It worked wonders. You might not need it urgently but it definitely helps reduce dust and dander. Also it makes the apartment feel fresher.
Thank you, this makes me feel better about getting one early!
Consider your room size and CADR rating before buying. A purifier that is too small will not be effective. Even medium-sized apartments benefit from a decent HEPA purifier. Carbon filters are optional depending on smells or smoke.
I use a combination of HEPA and activated carbon. It helps with dust, pollen, and cooking odors. I have not noticed a spike in electricity usage, and the filters are easy to replace. Definitely worth it for peace of mind.
Some people say air purifiers are overhyped but I have felt a real difference. Dust settles slower and the air feels cleaner. Even without allergies, it is nice to have.
I will check the CADR ratings before choosing a model, thanks!
Noise is something to consider. Some purifiers are very quiet even on high settings. I keep mine running overnight and do not notice it. It also helps with sleep because the air feels fresh.
If you have pets, an air purifier is almost essential. I have cats and the dander and hair are reduced significantly. It also reduces smells naturally.
Maintenance is simple. Filter replacement schedules are usually 6 to 12 months depending on usage. It is not a big hassle and the improvement in air quality is worth it.
Some purifiers have smart features like air quality sensors and automatic settings. They can be handy but are not necessary if you just want clean air. A basic HEPA purifier is effective.
I got mine because the air outside is often smoky from traffic. Inside the apartment, the difference is noticeable. I feel less congestion and my eyes are not as dry as before.
Overall I recommend getting an air purifier if you care about indoor air quality. It is a good investment for health, comfort, and cleaner air in general.
I think I will get a HEPA and carbon combo. Thanks for all the advice!