Transcript for Battle over wearing face masks as pandemic rages on
You heard Tom mention the masks. They are not mandatory everywhere, of course. Some are now arguing those masks infringe on their rights. In fact, one city counselor using George Floyd's words, "I can't breathe," while he was talking about masks. Tonight, he's now apologizing, calling it insensitive. Here's Victor Oquendo. Reporter: The virus spreading like wild fire, a battle is raging against face masks. Starting today, in palm beach county, Florida, masks are mandatory, but the backlash was swift. The fact of the matter is, it's our Bolds, it's our choice if we're going to wear them, not wear them. You guys are overstepping your boundaries 100%. It is a pandemic. Reporter: California now requiring masks in public after heated anti-mask protests like this one in Orange county. Are you going to allow the government to tell you you have to wear a mask? No! Reporter: And in Arizona, where hospitals are treating a record number of covid patients, a protest against the new mask rule in Scottsdale. I can't breathe! I can't breathe! Reporter: This councilman spoking outrage after he appeared to mock the final words of George Floyd and Eric Garner. The governor calling it despicable. The councilman later apologizing. But doctors are urging Americans to use masks, especially when social distancing isn't possible. Masks are an absolutely critical component to really ending this pandemic. Reporter: And more people appear to be wearing them. A new ABC news/ipsos poll shows 89% of Americans say they have worn one, compared to 55% in April. After scenes like this played out across the country, the challenge is getting guests to follow the rules, like at this Miami beach hotel. We're trying to get everybody to wear a mask. It's not easy. Reporter: It hasn't been easy to get people to wear a mask? No, they're not interested. Reporter: For much of the country, a patchwork of rules. Just 18 states now require masks, at least for businesses. A new model from the university of Washington suggests that some 33,000 lives could be saved by October 1st if nearly everyone wears a mask. With no statewide mask order in place, it's up to local leaders and just this afternoon, the city of Miami passed an murj order requiring masks in public at all times. If you don't wear one, you could face a fine up to $500. David? Victor, thank you. Meanwhile, president trump is traveling to another
This transcript has been automatically generated and may not be 100% accurate.