Abstract: A method for controlling purification of air, includes: acquiring a target quality of air to be purified; determining a current quality of the air to be purified, and determining a workload for an air purifier according to the target quality and the current quality; calculating a purification duration for the air purifier to complete the workload according to a purification efficiency of the air purifier; and starting the air purifier, and displaying in real time a remaining time to complete the workload according to the purification duration.

Abstract: A method and a device for setting up a task are disclosed herein, which belong to the field of computer technologies. The method for setting up a task includes: acquiring an operation history of a user for operating a household appliance; detecting whether a habitual task exists according to the operation history, wherein the habitual task is a task corresponding to an operation which has been received at a fixed time for more than a predetermined number of times; and if the habitual task exists, setting up a habitual task item corresponding to the fixed time, wherein the habitual task item is a task item for the household appliance to run the habitual task at the fixed time.

Abstract: A method for a device to acquire air quality, includes: controlling a fan to rotate; measuring air quality by an air-quality detector; and generating air-quality information according to a measurement result of the air-quality detector.

Abstract: A method for controlling purification of air, includes: acquiring a target quality of air to be purified; determining a current quality of the air to be purified, and determining a workload for an air purifier according to the target quality and the current quality; calculating a purification duration for the air purifier to complete the workload according to a purification efficiency of the air purifier; and starting the air purifier, and displaying in real time a remaining time to complete the workload according to the purification duration.

Abstract: An air purification notification method includes acquiring air quality data and determining whether to initiate a notification according to the air quality data. The air quality data includes at least one of inside air quality data indicating an inside air quality inside a purifying space where an air purifier is placed or outside air quality data indicating an outside air quality outside the purifying space.