Google is putting its Maps location data collection to good use by showing public health and government officials the effectiveness of physical distancing and self-isolation measures in the fight to prevent the spread of coronavirus.
This activity data on mobile devices is aggregated and anonymized, typically to show how busy certain types of businesses are, such as shops, restaurants, and attractions.
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The first set of the company’s COVID-19 Community Mobility Reports, showing population behavior as of the end of March, provides insights on what has changed in response to work from home, shelter in place, and other policies intended to help flatten the curve in the number of coronavirus cases.
The reports cover 131 countries and regions, including a breakdown of the US as a whole, and each province and territory. Google plans to update its data over time to illustrate how trends may change over weeks.
Here is a breakdown of how mobility trends have changed across the country between the baseline of February 16 and March 29:
- -47%: Retail and recreation, including shops, malls, restaurants, cafes, theme parks, museums, libraries, and movie theatres
- -22%: Grocery and pharmacy, including grocery markets, food warehouses, farmers’ markets, specialty food shops, drug stores, and pharmacies
- -19%: Parks, including national parks, public beaches, marinas, dog parks, plazas, and public gardens
- -51%: Transit stations, including subway, bus, and train stations
- -38%: Workplaces: mobility trends for places of work
- +12%: Residential: mobility trends for places of residence
All states saw a significant spike in trips to the grocery store and pharmacy in the middle of March, when concerns over the pandemic grew and governments began enacting physical distancing measures. It was during this period when workplace and transit station trends also saw a dive.
Here is a breakdown of the mobility trends in some of the hardest-hit American states: