Seattle’s air quality index hit “Good” levels for 15 consecutive days this month, marking the longest streak of clean air since monitoring began in the region.
Contributing Factors
Meteorologists attribute the improvement to favorable wind patterns pushing coastal air inland, combined with lower-than-average traffic during the holiday season.
The Puget Sound Clean Air Agency confirmed that industrial emissions have also decreased by 12% compared to the same period last year.
Looking Ahead
While wildfire season remains months away, officials encourage residents to use this clean air period to service HVAC systems and stock up on replacement filters.
Indoor air quality experts recommend running air purifiers even during good outdoor air days to maintain consistent home air quality.
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