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While Washington has yet to issue a national stay-at-home order, many states and businesses have taken it upon themselves to urge people to stay home to halt the spread of the coronavirus pandemic. But for some people, cabin fever is proving too strong to overcome.

That’s dangerous, of course. Even if you feel healthy, you could be spreading the virus to others. Now Google has launched a new website that uses anonymous location data from users of its products and services to estimate how effective people are at social distancing on a state by state (and country by country) basis.

The COVID-19 Community Mobility Reports break the data down into six categories: Retail and recreation, grocery and pharmacy, parks, transit stations, workplaces, and residential. The data can help health care officials determine up-and-coming coronavirus hotspots, but it can also help residents get a sense of how seriously people in their state are taking social distancing precautions.

The data is being updated regularly, so it’s always worth checking the site to see if neighbors are sheltering more or less as the situation evolves. (Google notes it should not be used for guidance on personal travel plans.) But, as of March 29 (the most recent data available at the time this story was written), here’s who seems to be paying the most attention to warnings.

A note on our methodology: Our comparisons focused on the retail and recreation and parks categories, since those are two of the most popular nonessential ways people could be leaving the house, but still potentially infecting others.

Here’s what we found: Retail and recreation traffic to places like restaurants, shopping centers, libraries, movie theaters, and cafés was down across the board. This isn’t especially surprising, given how many retailers are closing their doors to protect their employees and the general public.

Parks were a different matter, though. While many people were sheltering at home and avoiding public areas (including beaches, dog parks, plazas, and public gardens), several states saw explosions in traffic at these gathering spots. In fact, traffic in Nebraska, South Dakota, and Ohio more than doubled. And North Dakota was close behind.

Curious about the numbers in your state? Here’s a breakdown of traffic compared with the baseline.

More coronavirus coverage from Fortune:

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—What small businesses applying to the SBA’s Paycheck Protection Program need to know
—The worst part of losing 10M jobs in 2 weeks? The real number may be much higher
—Why the U.S. is changing its mind on face masks
—Americans face hunger crisis as SNAP benefits are harder for some to get
—Tax-exempt student loan assistance is now law. It’s time to make it permanent
—Hospitals are running low on the most critical supply of all: oxygen
—PODCAST: Two health care CEOs on why coronavirus tests and vaccines are the ammunition needed to fight COVID-19
—VIDEO: 401(k) withdrawal penalties waived for anyone hurt by COVID-19