Summia-どこでも熱中症（暑さ指数）＋大気汚染監視

Summia - A free health monitoring app to protect you and your loved ones from heatstroke and air pollution.

Due to the increasing heat waves in recent years, the risk of heatstroke is rising year by year. "Summia" provides real-time WBGT (Wet Bulb Globe Temperature) and air quality information based on official data from the Ministry of the Environment, supporting your and your family's health management.

Basic access to the heat index (WBGT) and air quality is free. A premium plan is also available for those who want even more convenience, including ad-free viewing, detailed forecast graphs, detailed air quality information, location registration, a home widget, and notification features.

Ministry of the Environment API: https://www.wbgt.env.go.jp/data_service.php

◆ Main Functions and Features

1. Real-time WBGT (Wet Bulb Globe Temperature) Display [Free]
- Information using official data from the Ministry of the Environment
- Check the heat index around your current location
- Clearly displayed in 5 levels of alert (Safe, Caution, Alert, Severe Alert, Danger)
- Displays guidelines for action according to each level

2. 24-Hour Forecast Function [Partially Premium]
- Understand time-series changes with graphs
- Use as a reference for outdoor planning and exercise schedules
- Support heatstroke prevention by identifying dangerous time periods in advance
- Detailed forecast graphs are available with premium features

3. Air Quality Monitoring Function [Partially Premium]
- Displays air quality information such as PM2.5 and NO2
- Intuitively understand air pollution levels with color coding
- Can be used as a basis for respiratory health management and outdoor activity decisions
- Detailed air quality information is available with premium features

4. Health and Weather Index Display
- Heat Shock Risk Index
- Dryness Index
- UV Index
- Check multiple weather elements affecting health all at once

5. Home Widget [Premium]
- Check information on the home screen without opening the app
- Two types of widgets available in small and medium sizes
- Background color automatically changes according to the alert level
- Customizable display items and themes

6. Notification Function [Premium]
- Receive notifications for changes in heat index, air quality, etc.
- Make it easier to notice heat dangers that are often overlooked
- Feature to suppress duplicate notifications

7. Location Information Integration [Free]
- Automatically acquire information around your current location using GPS
- Check heat index and air quality around you even when you're on the move
- Wide-area support usable anywhere in the country
- Utilizes cached data when offline

8. Location Registration Function [Premium]
- Register any location from the map (up to 2 locations)
- Pre-register your home, workplace, school, parents' home, etc.
- Check areas other than your current location all at once
- This can also be used to check on the location of family members living far away.

◆ About the Premium Plan

The Premium Plan offers the following features:

- Ad-free
- Detailed 24-hour forecast graph
- Detailed air quality information
- Location registration (up to 2 locations)
- Home widget
- Notification function

Monthly and annual plans are available. A 7-day free trial is available for first-time users. You can cancel anytime during the free trial period via Google Play, and after the free trial ends, your subscription will automatically renew with your chosen plan.


◆ Recommended for:

- People who work or play sports outdoors
- Families with young children or elderly members
- Pet owners
- People who want to be mindful of their health
- People with a history of heatstroke
- Club activity advisors and coaches
- Organizers and staff of outdoor events
- People who frequently work outdoors, such as in construction, agriculture, and delivery
- People working in medical and nursing care fields

◆ Emphasis on Ease of Use

- Simple and intuitive user interface
- Dark mode support for eye comfort
- Fast startup and smooth operation
- Clear guidance on necessary permissions

◆ Commitment to Safety and Security

This app uses heat index data from the Ministry of the Environment. Location information is used to obtain heat index and air quality information, and to display information according to your current location. Personal information will be managed appropriately in accordance with our privacy policy.

Ministry of the Environment API: https://www.wbgt.env.go.jp/data_service.php

◆ Importance of Heatstroke Prevention

Heatstroke can often be prevented with appropriate precautions. By using this app, you can:

- Avoid going out during dangerous times
- Be mindful of hydration and rest timing
- Use it as a reference when deciding whether to use air conditioning
- Decide whether to cancel or postpone exercise, work, or outdoor events

and other daily preventative actions.

◆ Update Information

We aim to make the app more user-friendly through regular feature improvements and bug fixes. We value user feedback and strive for continuous quality improvement.

Download now and start a new habit to protect yourself from heat and air pollution.

*This app is not a medical device. If you feel unwell, please consult a medical institution immediately.

*While we strive to provide accurate information, information may be temporarily unavailable due to communication conditions, etc.

*The information displayed is for reference regarding preventative actions and does not guarantee health status or safety.