South New Castle Borough, PA

Nymphs are questing, the highest-risk stage for people. Nymphal deer ticks peak in late spring and summer. They're the size of a poppy seed, easy to miss, and cause most Lyme transmission.

South New Castle Borough is 99% natural land cover (58% forest, plus open and brushy areas) across its 0.32 sq mi, home to about 634 people. That makes it the 1st-most wooded of the 27 towns in Lawrence County. Deer ticks live in wooded areas, along trail edges, and in tall grass — the more of that a town has, the more places ticks can quest.

Lawrence County reports about 92 Lyme cases per 100,000 people a year, the 149th-highest of 210 Northeast counties. That county-level disease pressure, combined with South New Castle Borough's local habitat, sets how high its daily score can climb when the weather and season allow.

Yes. Nymphs are questing, the highest-risk stage for people. In South New Castle Borough, today's risk reads moderate (48/100). Ticks are active. Use repellent, stick to trails, and do a tick check when you come inside.