Map
Japan Prefecture Residency Level Map
This is an interactive map of Japan that allows you to mark and rate your 'residency experience level' for each prefecture based on personal experience, and accumulate a total score. From 'never visited' to 'lived for over a year,' each level represents a connection and memory with that region.
Taiwan County-Level Graded Map
This is an interactive Taiwan map marking tool that allows you to mark and score your 'residential experience level' in each county based on personal experience, accumulating a total score. From 'never been' to 'lived for more than a year', each level represents a connection and memory with that region.
Global Air Quality (AQI) Interactive Map
This is an interactive global air quality (AQI) map where users can check the real-time air quality index of their location, or drag the map to explore air quality levels around the world.
Global PM2.5 AQI Map
This is an interactive global PM2.5 AQI map that shows the real-time PM2.5 index based on the user’s location. Users can also drag the map to explore PM2.5 conditions worldwide, understand differences in air quality across regions, and use it as a reference for travel and health protection.
Global PM10 AQI Map
This is an interactive global PM10 AQI map that shows the local PM10 index in real time based on the user’s location. Users can also drag the map to explore PM10 conditions worldwide, understand regional differences in air quality, and use it as a reference for travel and health protection.
Global O₃ (Ozone) AQI Map
This is an interactive global ozone (O₃) AQI map that displays the local ozone index in real time based on the user’s location. Users can also drag the map to explore ozone conditions worldwide, understand regional differences in air quality, and use it as a reference for travel and health protection.
Global NO₂ (Nitrogen Dioxide) AQI Map
This is an interactive global nitrogen dioxide (NO₂) AQI map that shows the local NO₂ concentration index in real time based on the user’s location. Users can also drag the map to explore NO₂ conditions worldwide, understand regional differences in air quality, and use it as a reference for travel and health protection.
Global SO₂ (Sulfur Dioxide) AQI Map
This is an interactive global sulfur dioxide (SO₂) AQI map that displays the local SO₂ concentration index in real time based on the user’s location. Users can also drag the map to explore SO₂ conditions worldwide, understand regional differences in air quality, and use it as a reference for travel and health protection.
Global CO (Carbon Monoxide) AQI Map
This is an interactive global carbon monoxide (CO) AQI map that shows the local CO concentration index in real time based on the user’s location. Users can also drag the map to explore CO conditions worldwide, understand regional differences in air quality, and use it as a reference for travel and health protection.
Global Timezone Interactive Map
This is an interactive global timezone map where users can click any location on the map to view the current time and timezone information for that area. The map displays the current time, UTC offset, and local time format, with clearly marked timezone boundaries and labels.
Map Two-Point Straight Line Distance Calculator
This tool allows users to quickly calculate the straight-line distance between two locations using an interactive map and location search feature. Simply enter a place or address in the search bar, and the system will suggest options. Clicking on a result will center the map on that location for easy pinpointing.
NASA Astronomy Picture of the Day (APOD)
The NASA Astronomy Picture of the Day (APOD) provides a daily astronomical image taken by NASA. You can select a specific date to view images from other days, or use the arrows to quickly switch to the previous or next day.
Location/Address to Coordinates Tool
This tool allows you to enter any location or address and instantly retrieve its latitude and longitude coordinates. Just provide a valid location, and the system will automatically calculate and display the corresponding coordinates.
Moon Phase Lookup Tool
This tool allows you to check the moon phase for any given date and displays the corresponding moon phase icon. Just enter a date, and the system will automatically calculate and display the moon phase.
IP and Geolocation Lookup Tool
This tool allows you to check your IP address and current geographic location, including country, city, latitude and longitude, as well as information about your Internet Service Provider (ISP). The results are also displayed on a map in real time, allowing you to intuitively see your approximate location.