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 _____________(month/year). • 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 February 2016. • Graph by Puget Sound Clean Air Agency

Last month’s review

For February, air quality in the neighborhood was mostly “good,” with four days in the “moderate” range. Unfortunately, the air monitoring site in the Chinatown-International District was down for maintenance for five days during the month.

Did you know?

The main sources of air pollution in the neighborhood are cars and trucks driving on I-5 and I-90. In 2015, the US broke the record for most miles ever driven in a year: 3.1 trillion miles. This record beat the previous record set in 2007. That is the equivalent of 337 round trips from Earth to Pluto.

Visit pscleanair.org for a daily air quality forecast.

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