Smoke from Canadian wildfires has prompted health and air quality warnings ... 200 fires were burning in Canada, compared to 90 fires as of this Sunday, according to Environment and Climate ...

Smoke from a NJ wildfire is pushing NYC air quality into the danger zone. Officials urge sensitive groups to limit outdoor ...

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 ...