NASA FIRMS provides near-real-time active fire data from MODIS and VIIRS through downloads, maps, and area-based email alerts.
Maps, Navigation & Weather
Browse 203 maps, navigation & weather websites and tools from our Travel & Maps directory, including FIRMS, OpenWeatherMap, and Weather History & Data Archive. 16 of them are open source. Every listing has its own page with details and similar sites, so you can compare before you visit.
OpenWeather provides APIs for current conditions, forecasts, historical weather, pollution, energy, and environmental data.
Weather Underground provides historical weather reports, temperatures, precipitation, and daily observations by location.
Check Ontario road and transit conditions with live maps, traffic cameras, incident details, and travel-time information.
ORBIS models the ancient Roman world geospatially, with materials for understanding and exploring its network.
The Google Earth Engine Data Catalog combines satellite imagery and geospatial datasets for analysis of changes and trends on Earth.
NCEI maps and geospatial tools visualize data types together and relate variables to specific locations.
NASA Global Maps show how key parts of Earth’s climate system change from month to month.
NASA’s climate resources explain Earth’s changing climate and its study through the agency’s science programs.
NASA Earthdata helps users search, discover, visualize, refine, and access NASA Earth science data.
The AP Transit map shows MTA subway movements in real time and offers route and station controls.
An interactive map resource about danger, violence and justice in late medieval London, York and Oxford.
1940s NYC provides map resources about New York City during the 1940s.
A real-time three-dimensional map visualizes Tokyo’s public transport system and its movement.
The City of Toronto's PlowTO map service resumes during the winter snow-clearing season after summer maintenance.
This GitHub list curates OpenStreetMap projects, tools, and resources for people working with or exploring OpenStreetMap.
Tangram Heightmapper displays terrain imagery, with an API key required for imagery beyond zoom level three.
The Kepler.gl tool is an open-source geospatial analysis system for working with large datasets.
GPS Visualizer creates customized maps from GPS data and offers several output formats.
CellMapper maps cellular towers and coverage from crowdsourced data, with filters for providers and regions.
VesselFinder displays real-time ship positions and marine traffic detected by the global AIS network.
Organic Maps is a free offline mapping app for Android and iOS using community-sourced OpenStreetMap data.
Notable People maps birthplaces using data about people identified as notable in a research dataset.
Hong Kong Transit 3D simulates train schedules in a real-time three-dimensional map.



















