The Puget Sound Clean Air Agency has been conducting a study of near-road pollution levels in the Chinatown/International District, centered on a new monitoring site at 10th and Weller. This graph shows the air quality of the neighborhood in December 2014. • Graph by Puget Sound Clean Air Agency
The Puget Sound Clean Air Agency has been conducting a study of near-road pollution levels in the Chinatown/International District, centered on a new monitoring site at 10th and Weller. This graph shows the air quality of the neighborhood in December 2014. • Graph by Puget Sound Clean Air Agency

Last month’s review

For December, air quality in the neighborhood was mostly “good,” with six “moderate” days, which was similar to most of South Seattle. To check our air quality, we use air monitors located by the highway on the corner of 10th Ave S and S Weller St.

Air pollution in the Chinatown-International District mostly comes from cars and trucks on I-5 and I-90. Breathing high levels of this pollution can trigger heart attacks, strokes, or cause cancer.

Looking ahead to winter

Winter has the highest pollution levels of the year. Thankfully, Seattle also gets plenty of wind and rain in the winter to help clear out the pollution. We usually have our best air quality in the spring when we have the most air flow.

Visit pscleanair.org for a daily air quality forecast.

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