Air pollution data on a neighborhood scale are now available in near real-time from the TEMPO instrument (Tropospheric Emissions: Monitoring of Pollution). The mission gathers hourly daytime scans of the atmosphere over North America from the Atlantic Ocean to the Pacific Coast and from roughly Mexico City to central Canada. Air pollution data on a neighborhood scale are now available in near real-time from the TEMPO instrument (Tropospheric Emissions: Monitoring of Pollution). The mission gathers hourly daytime scans of the atmosphere over North America from the Atlantic Ocean to the Pacific Coast and from roughly Mexico City to central Canada. Earth Sciences Phys.org – latest science and technology news stories