With wildfires burning in North America, it's important to know if you are enveloped in toxic smoke. The smoke is dangerous ... breathing polluted air. The map below shows the level of PM 2.5 ...

This is the current status of air quality across the United States and Canada. (Here’s a guide to understanding air quality readings.) Source: AirNow · Data is as of null An earlier version of ...

The fire was estimated to have spread to 365 acres as of late Monday afternoon based on the latest infrared flight to map the perimeter ... The heavy smoke from fires in Northern California ...

Track the latest wildfire and smoke information now with data that is updated hourly based upon input from several incident and intelligence sources: ...

So far this year, more than 4,000 wildfires have burned more than 24,000 acres of woodlands in North Carolina, not counting those that have been just on federal property, such as the Black Swamp ...

An air quality alert is in effect for the metro St. Louis area and all of Illinois through Wednesday evening. The smoke levels near the ground will likely be the highest early Wednesday morning.

Along with tracking air pollutants, the map offers data about levels of ozone ... five-day forecast for predicted impacts from wildfire smoke. “Providing accurate and reliable air quality ...

It’s one of several fires burning on federal property that show up on the Forest Service’s interactive wildfire-tracking map. U.S. Forest Service If you get a whiff of smoke or see ash or haze ...