These charts are from RealClearPolitics. The top chart shows the latest major polls on Trump's job approval, along with the RCP average of those polls. The latest average is 37.4% approval of the job Trump is doing, and 57.4% disapproval. The bottom chart shows the average approval over time.
Trump's job approval is still going down, and the difference between those who approve and those who disapprove continues to grow larger (now a negative 20 points).