The "미세먼지 - 지도 알람 측정기" is a free iPhone app developed by JAEYOON BYUN. It falls under the Lifestyle category with a subcategory of Weather. The app provides users with real-time information about the air quality based on their current location.

With a simple and intuitive interface, users can easily check the air quality status at a glance. The app combines various air quality metrics to categorize the air as good, moderate, bad, or very bad. This allows users to quickly understand the current air conditions.

The app also provides detailed information about specific air pollutants such as fine dust, ultrafine dust, nitrogen dioxide, ozone, carbon monoxide, and sulfur dioxide. Users can not only see the pollutant levels but also understand the severity of the air quality.

In addition to real-time data, the app also offers daily forecasts for fine dust levels. This feature allows users to plan their activities and stay informed about the air quality throughout the day. The app follows the air quality standards set by Korea, ensuring accurate and reliable information.

Furthermore, the app provides recommendations based on the air quality for different groups of people, including general individuals, infants, and the elderly. Users can find guidance on wearing KF94 masks, limiting outdoor activities, and optimal ventilation timings.

It's important to note that this app is created to provide high-quality information and does not assume any responsibility for the accuracy of the data. The information is sourced from real-time measurement and prediction data provided by Air Korea (Environmental Corporation) and the Meteorological Agency.