Yellow areas mean that our goal to raise Radon awareness is working! People are often taking action to reduce their levels. Radon levels vary from home to home, so monitor yours to ensure it stays low.
Data displayed on radonmap.com is sourced from Airthings devices and updated inline with user syncing. All data is encrypted and privacy protected to ensure maximum user safety and device locations are concealed and grouped for ambiguity.
The map is intended to give only an indication of region-based air quality levels across the world based on Airthings device data. Precise levels will vary from home to home, so measuring individual Radon levels is always recommended.
radonmap.com uses Airthings sensors from around the world to show live radon levels, broken down by location and anonymized. See the yearly and monthly approximate risk calculations in this easy-to-use, interactive map.
Click on any square to get more details on the radon levels in that area. You will find a graph and the risk level in that area. Data is sourced from Airthings Wave devices and is encrypted and privacy protected.
Hillmap.com is the best backcountry mapping app on the web. It combines a selection of the highest quality topographic maps available with data and analysis useful for people who travel far from the beaten path. Read about some of its features below.
Activate the Points tab and click the map to measure the elevation, location and slope at a point anywhere in the world. Links to a weather.gov forecast for the point and a peakfinder.org panoramic display of visible named peaks will also appear.
Your printer supports much higher resolution than your screen. To print at high resolution, Hillmap will open a print page that is very large on screen. Depending on your setup you will instruct your printer to fit this onto a single piece of paper in one of 3 ways:
When you click print a new window will open containing a large (Width*Pixels Per Inch) by (Height * Pixels Per Inch) pixel map of the onscreen area padded as needed to fit the dimensions you specify above and at the best resolution possible.
Use the print dialog to print this map at the proper scale. You may have to play with these values and use print preview to find what that works with your setup. Borderless high quality prints are possible using Google Chrome and the system print dialog.
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