Greener Air Space

A rectangular air filter is held in a person's hand. The filter has visible white pleats and is encased in a black frame. It appears to be new or unused. The background includes a wooden floor and part of a device or machine.
A smartphone displays an application about air quality. The screen reads an 'Excessive' air quality level with an AQI of 167. There is a chart showing a forecast for daily average air quality levels. Below, there's an advertisement for an air quality tracker device by Plume Labs with a 'Discover' button.
A smartphone lying on a surface with its screen displaying an air quality monitoring app. The app shows various air quality measurements in detail, including PM10, PM2.5, PM1 levels, and temperature. It also indicates that the current air quality index (CAQI) is 73 with a status of 'average'.
A smartphone displaying the IQAir app with air quality index information. The screen shows data for Kabupaten Bogor, Beijing, and Seoul, with varying air quality levels categorized as 'Unhealthy' for Bogor and Beijing, and 'Good' for Seoul. Weather conditions for the upcoming days are also listed.