Hamilton’s associate medical officer of health has stated that there are no short- or long-term health impacts linked to the grime coating city neighbourhoods in July. The clarification follows public concerns about ongoing pollutants residents may have been exposed to, as officials emphasize this soot is part of an ongoing issue rather than a new threat. The health department’s findings indicate no immediate or lasting harm associated with the coated grime, though residents have reported visible grime on surfaces and people, including a photo of a young child with soot on her hand. The department continues to monitor air quality and pollutant exposure as part of its public health oversight. No additional details on the specific pollutants or measurement metrics are provided in the statement.