Temperature is to high, bring fresh air in and circulate it often. Your Ph is off too, soil Ph should be 6.3 to 6.8 for best results. With Ph below 6.5 your plant can't uptake needed nutrients like (P) and (Mg) and limited uptake of (Ca). Your plant is not getting enough nutrients of some and to much of others.

You're not using Miracle grow soil are you?