Canadian wildfires map shows three US states warned about air quality

Based on facts, either observed and verified firsthand by the reporter, or reported and verified from knowledgeable sources. Canadian wildfires in Manitoba and Saskatchewan have prompted air quality alerts in Minnesota, Wisconsin and Michigan on Wednesday and Thursday as residents are advised to "limit prolonged or heavy exertion." The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks, especially for people with asthma, heart disease or other preexisting respiratory conditions. State and local health officials have urged those in the affected areas to limit...