Microplastics

Local sources

Microplastic source predictor

Nine questions about laundry, roads, turf, litter, and drainage. The result ranks which sources of microplastics most likely matter where you live, and gives one action for each. It is a ranking, not a concentration, and nothing you enter leaves your device.

Want to know how much you might swallow instead? Use the Microplastic Consumption Calculator.

How many loads of laundry does your household wash each week?
What is most of the household's clothing made of?Check a few labels. Polyester, nylon, acrylic, and fleece are synthetic; cotton, wool, and linen are not.
Do you use a tumble dryer?
How close is your home to a busy road or freeway?Busy means several thousand vehicles a day: an arterial road, a freeway, or a truck route.
How much does your household drive?
Is there an artificial-turf sports field or playground within a few blocks?
Where does rain on your street go?In most of urban California, storm drains carry runoff to a creek, wash, or the ocean without treatment.
How often do you see plastic litter on nearby streets or in local waterways?
What are the floors and soft furnishings at home mostly like?

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