i m marla tellez. i m jon kelley. let s put hit the way today is a good day to stay indoors, kick back on a la-z-boy and watch nbc bay area. those smoking-hot temperatures causing the first spare-the-air day since the official start of summer. nbc bay area s bob redell is live in livermore with more on the heat that s truly and seriously unhealthy out there. bob, good morning. reporter: this is the second hot spare-the-air day this year, and tomorrow we could see another. the reason, you ve got places like livermore we re at right now which are expected to see temperatures as high as 100 degrees today. these kids have the right idea, their bathing suits, lots of water, a mom who s giving them free reign and what s expected to be a large crowd here at the fountain later today. are you used to the heat. yeah. it s pretty hot all the time. reporter: what do you do to deal with it? i have a pool so i m taking care of it. reporter: you ll be swimming later today? d