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Jun
Chicago, June 28, Smoke drifting from the raging wildfires in Canada has caused the air quality level in Chicago to rank among the worst in the world. As of 4 p.m.on Tuesday, AirNow.gov listed Chicago's air quality at 258, under the "very unhealthy" category, reports Xinhua news agency. The Illinois Environmental Protection Agency issued an air quality alert in effect until midnight Wednesday and encouraged Chicago residents to limit their time outdoors. Air Quality Alerts were also in effect for the states of Wisconsin and Indiana. The Chicago Park District has moved programs, including summer camps, indoors, while all beaches in…