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

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 ...