This map tracks air quality near Detroit, and zoom out to see more areas. Smoke from wildfires in Canada is expected to move ...

Mexico and the Caribbean as hotspots for air pollution, particularly during certain times of day. The pollution maps "show high levels of nitrogen dioxide over cities in the morning, and enhanced ...

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater ...

The map below displays the current air quality at monitoring sites in the U.S., Canada and Mexico. Air monitoring sites are color-coded based on the pollutant (ozone or particulate matter ...