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A comment on Why do poor school kids have to clean up rich commuters’ pollution?.
https://www.purpleair.com/map?#15.8/45.538164/-122.667271
Note that the black-circled spots are monitors inside the building.
Here's the report with details of the monitoring equipment and the recommendations.
http://opb-imgserve-production.s3-website-us-west-2.amazonaw...
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https://www.purpleair.com/map?#15.8/45.538164/-122.667271
Note that the black-circled spots are monitors inside the building.
Here's the report with details of the monitoring equipment and the recommendations.
http://opb-imgserve-production.s3-website-us-west-2.amazonaw...