I'm fine waiting out the September heatwave. Last year's fires were a mess and I saw the worst of it when I was up in Oregon driving back down to California with fire/smoke everywhere.
Lately I've been doing my east side route riding the LA River, Elysian and Griffith which gives me access to fast bike lanes, challenging fire roads and long hill climbs. Plus I'm looking forward to the trails dampening up a bit so my bike doesn't get so dusty. I'm always hosing my bike down of all that brown trail dust!