Yes, you can find your vehicle's smog check history by checking the following website.
Lookup Smog Check History
You'll be able to search by license plate or VIN number. Note, smog certificates are valid for only 90 days. If your last inspection is older than 90 days, and the vehicle you are selling is older than 4 years, a new smog inspection will need to be obtain in order to transfer the vehicle's title to the new owner.