A recurring inquiry from air purifier users is whether keeping it on 24/7 is advisable or not. The question's response is dependent on a number of important factors. These could include the brand and model of your air purifier, the size of the area, and the specific air quality issue you're trying to resolve.
Having an air purifier running 24/7 isn't inherently harmful. But, to make the most of it, there are some things you have to bear in mind. One downside to continuous use is potentially higher energy consumption and accelerated wear and tear on the device.
That being said, in polluted areas or during allergy season, leaving your air purifier on 24/7 might be beneficial. Air purifiers have been engineered to clear the air of particulates; hence, if your place has a constant influx of these pollutants, keeping the purifier on may help in effectively eliminating them.
Ultimately, whether you should leave your air purifier on continuously or not depends on your personal requirements and circumstances. Air purifiers can work continuously, but you must consider energy usage, your device's lifespan, and leave air purifier on 24/7 your specific air quality needs. For the best outcome, consider consulting with an expert on air quality before making your decision.