Close Window- Air Quality App

** Currently supports Korea only **

🌬️ Close Window - Smart Indoor Air Management

Wondering when to open or close your windows? Close Window tells you the optimal time based on real-time air quality and weather data.

[Key Features]

1. Real-time Air Quality Monitoring

- Check PM10, PM2.5, ozone and other air pollutants in real-time

- Official data from Korea Environment Corporation (AirKorea)

- Color-coded air quality levels for instant recognition

2. Accurate Weather Information

- Reliable weather forecasts via Korea Meteorological Administration API

- Detailed data: temperature, humidity, precipitation, wind speed

- Hourly and daily forecasts for planning ahead

3. Smart Window Guide

- Window opening/closing recommendations based on air quality and weather analysis

- Intuitive messages: "Safe to open windows", "Keep windows closed"

- Personalized advice considering yellow dust, fine dust, and rain

4. Convenient Location Management

- Automatic GPS location detection for instant local info

- Save favorite locations: home, office, and more

- Nationwide coverage including all major cities and regions

5. Customized Alert Service

- Instant push notifications when air quality worsens

- Scheduled alerts at user-defined times

- Notifications for significant weather changes

[Recommended For]

- Those hesitant to open windows due to fine dust concerns

- People interested in indoor air quality management

- Those with allergies or respiratory conditions sensitive to air quality

- Families with children or elderly members concerned about indoor environment

- Anyone wanting to check weather before hanging laundry or bedding

[Privacy Protection]

- Location data used only temporarily for weather and air quality information

- Personal data stored only on device

- No unnecessary permission requests, only essential features

[Supported Environments]

- All Android 5.0+ devices

- Air quality and weather information for all regions in Korea

- Offline access to last cached data

Create a healthier, more comfortable indoor environment with Close Window.

Protect your family's health with one simple app.

Download now and start smart air management!

# Data Sources

• Air Quality Data: Korea Environment Corporation AirKorea (https://www.airkorea.or.kr)

• Weather Data: Korea Meteorological Administration (https://data.kma.go.kr)

• Public Data: Korea Public Data Portal (https://www.data.go.kr)

⚠️ Disclaimer

This app does not represent any government agency. It is a privately developed app utilizing public Open API data.