jennifer grey, thank you. all right. to hawaii now where officials say they are expecting an influx of visitors. this after the world's largest active volcano mauna loa erupted. it joins kilauea which has been erupting since 2021. remarkable pictures. looks like the surface of mars. >> incredible. state health officials are warning visitors to prepare for decreasing air quality as the eruption could bring ash and increase levels of sulfur dioxide into the air. bill weir has been following this. what are officials watching for now and what impact does the fact that there are now two volcanos erupting at the same time impact this? >> thankfully right now it's more fascination than fear. just the nature of this volcano, mauna loa, the long mountain is the kind that sort of has little fountains, spurts of lava and slow lava flows. even when kilauea in 2018 took