Due to the continuing wildfires in Canada, drifting smoke is now causing air quality issues throughout the Great Lakes region, as well as in several areas of the central and eastern United States. This smoke is causing blurry curtains and making the air quality ‘very unhealthy’.

According to a meteorologist with the National Weather Service, smoke from fires in northern Quebec is spreading over northern Michigan, through southern Wisconsin, and into Chicago as a result of low pressure over the eastern Great Lakes and smoke from those fires.

A substantial area of Minnesota was under a record-breaking 23rd air quality alert from Tuesday through late Wednesday night. Currently, smoke-filled skies hide Minneapolis and St. Paul's skylines.

A substantial area of Minnesota was under a record-breaking 23rd air quality alert from Tuesday through late Wednesday night. Currently, smoke-filled skies hide Minneapolis and St. Paul's skylines.

Visibility in the Milwaukee region was reduced to a range of 3/4 to 1.5 miles (1.2-2.4 km) due to the hazy sky.

A substantial area of Minnesota was under a record-breaking 23rd air quality alert from Tuesday through late Wednesday night. Currently, smoke-filled skies hide Minneapolis and St. Paul's skylines.

An astonishing 76,129 square kilometers (29,393 square miles) of land, including forests, have been destroyed by fires throughout Canada since January, according to a study released on Monday by the Canadian Interagency Forest Fire Centre. Currently, there are 490 ongoing fires nationally, 255 of which are considered to be out of control.

A substantial area of Minnesota was under a record-breaking 23rd air quality alert from Tuesday through late Wednesday night. Currently, smoke-filled skies hide Minneapolis and St. Paul's skylines.

Several childcare facilities in the Chicago region have alerted parents that their children would be kept indoors on Tuesday due to the poor air quality. A young sports organization has also changed its operations by adding more indoor time.

A substantial area of Minnesota was under a record-breaking 23rd air quality alert from Tuesday through late Wednesday night. Currently, smoke-filled skies hide Minneapolis and St. Paul's skylines.

Despite recent rain in Quebec, it seems unlikely to be enough to put out the flames wreaking havoc in the province's northern area. However, officials noted on Tuesday that the rainy conditions could give firefighters a chance to gain the upper hand over the flames.

A substantial area of Minnesota was under a record-breaking 23rd air quality alert from Tuesday through late Wednesday night. Currently, smoke-filled skies hide Minneapolis and St. Paul's skylines.

Climate authorities claim that the smoke that has reached Europe looks to be located higher in the atmosphere, at 1,100 metres and above, in contrast to the smoke that is floating at lower levels over the United States. Therefore the severity of the  health risks won’t be the same as in the U.S.