Chicago faces poor air quality from Canadian wildfire smoke

Residents and visitors in Chicago have been experiencing unusual haze and poor air quality recently, as the city grapples with a combination of smoke from more than 700 wildfires raging in Canada and elevated ozone levels.

The smoke, carried by shifting winds from Canada, has blanketed parts of the Midwest, with Chicago among the hardest hit. Though the visible smoke sometimes clears, fine particulate matter often lingers in the air, raising health concerns, according to health authorities.

Local residents note the situation has improved compared to past years. Charles Connor, a Chicagoan, recalled the severe conditions two years ago when smoke from Canadian fires was thick enough to smell blocks away. “That was serious,” he said.

However, wildfire smoke is only part of the problem. The city is also contending with a buildup of ozone pollution caused by emissions from vehicles and factories under intense summer sunlight—a combination that fosters smog formation.

Health officials have issued alerts advising vulnerable groups, such as those with asthma or respiratory conditions, to limit outdoor activities. Even healthy individuals report symptoms linked to poor air quality.

Alexa Garcia, a local resident, said, “Sometimes I actually do feel dizzy from the air quality,” while noting that some family members avoid going outdoors due to sensitivity.

Despite the haze, Chicagoans continue to enjoy outdoor spaces such as Oak Street Beach, with many taking precautions but refusing to let the smoke deter their activities. Tourist Mary Eldridge emphasised the need for stronger environmental regulations. “We need to value our Earth, we need to protect our ecosystems,” she said.

Authorities recommend staying indoors when air quality is low, keeping windows closed, and monitoring daily forecasts to minimise exposure risks.

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