You can, but use caution to ensure you’re not aerating too much.  Core aerate yearly to give your lawn thorough aeration. Then, if your lawn needs an extra boost during the growing season, you can spike aerate. The thin tines from spike aeration won’t disrupt the visual appeal of your lawn like the larger holes and plugs from core aeration. If reducing compaction is your long-term goal, you’ll want to stick to core aeration.