These days; nowadays — a phrase referring to the recent period, similar to 'lately'.
今日この頃は仕事が忙しくて週末もゆっくり休めない。
These days work is busy and I can't rest properly even on weekends.
今日この頃、寒暖差が激しいので体調に気をつけてください。
These days the temperature swings are large, so please take care of your health.
今日この頃はテレビよりもネットでニュースを見ることが多い。
These days I tend to get news online rather than on TV.