According to Clean Air Sudbury, smog events affect the Sudbury area and other parts of the north, but the occurrences are not as common as in southern Ontario.
This season has been extremely hot and dry, which has contributed to the greater number of poor air quality days. Smog advisories, when issued for the Sudbury District, are usually the result of the migration of pollutants from the United States and unfavourable weather patterns. These smog events are normally caused by higher than acceptable ozone levels or the presence of high concentrations of fine particulate matter in the air.
There are, however, local sources of pollution that can contribute to the severity of smog events. Sudburians can take personal actions ? such as driving better-tuned cars or driving less, car-pooling, avoiding the use of gas-powered lawn mowers, or lowering the use of air conditioning during the summertime ? to lessen the impact of smog during a smog alert.
