yards per hour in some spots and it's physically changing the look of hawai'i's big island and the coastline. looking at the images, the first from sunday. you can see the smoke from the lava as it approach the ocean and two days later, lava has filled the bay extending nearly a mile from the sore line. recently, we spoke with one man who evacuated and he doesn't know if his house is still standing. >> it's spectacular, number one and the other thing is going through my mind is why here but i guess it's just what it's doing. i can't do anything about it. >> reporter: air quality also remains a concern especially near lava fountains where the hawaiian national guard took us as close as we could get and we saw up close what's falling from the sky. >> these black clumps come from the nearby fissure and when you walk out to what looks like a