Air Pollution from fine, and ultra-fine particles
These sensors are located all over the city and are linked to the Luftdaten project. All of the sensors are essentially the same and designed to be installed by citizens. The information is only about 15 minutes old and constantly updated. The greener the hexagon, the lower the air pollution from particles, the redder the worse. Click on a hexagon and the popup will show each sensor; Click on the (+) and you’ll see the last 24 hours.
Zoom in, and you’ll see the location of sensors; zoom out and you can see the sensors all over the world.