SPOKANE, Wash. – The Spokane Regional Clean Air Agency has issued a health advisory urging everyone, particularly those in sensitive groups, to limit outdoor activities due to elevated pollution concentrations.

The agency recommends avoiding strenuous activities outdoors and opting for lighter indoor activities instead. The air quality on Spokane’s South Hill has reached a level of 101, marking one of the smokiest periods this summer.

The primary concern is the fine particulate matter, known as PM 2.5, found in smoke. These particles, about 2.5 micrometers in size, can lodge in the lungs and cause irritation, posing a risk especially to the elderly and those with respiratory conditions.

Mark Rowe, an air quality monitor with the Spokane Regional Clean Air Agency, emphasized the compound

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