on hot day like this, you'd better know what your local Air Quality Index is. people say "you are what you eat". I would say "you are what you breath".
location, location, location. don't overlook the AQ of your property. I am wondering where I can get AQ monitor, the one like thermometer or carbon monoxide detector in house.
check out your AQI. Stay cool, Air spare!
http://weather.weatherbug.com/CA/Sacramento-weather/air-quality.html?zcode=z6286