An air purifier can considerably enrich the air quality in your home, but many question the safety and efficiency of having it operate 24/7.
In general, it is safe to leave your air purifier running all day, but there are other aspects to look into.
It's important to note that the type of your air purifier impacts its ability to run around the clock. Some are constructed for 24/7 use, others might need some downtime.
Secondly, the state of your indoor air should be considered. If you live in an area with high pollution levels or have a member in your household with allergies, a continuous operation could be necessary.
Energy efficiency is also a factor to consider. Although air purifiers are not big energy hogs, leaving one on continuously will up your electricity bill.
Another point is the noise generated by the purifier. Some models can check here be quite loud, and it could be disruptive if operated all the time.
To sum it up, while it's usually safe to run an air purifier all day long, one should consider the type of purifier, the indoor air quality, its energy consumption, and the noise level before deciding.