NASA Satellite Maps Reveal High Levels of Toxic Air Pollution Over Major US Cities

NASA's new TEMPO satellite has produced its first maps showing high nitrogen dioxide levels over major US cities.
The maps were created by analyzing sunlight reflected off Earth's surface, atmosphere and clouds.
TEMPO is the first satellite designed to continuously monitor North American air quality from space.
The data will be used in over 50 studies on air pollution and public health.
TEMPO will begin full hourly daytime monitoring scans in October 2022.