If you're in the same room with someone you don't like, there's an edginess in the air which I don't like.
この場合、次のような言い方ができますよ。
ーIf you're in the same room with someone you don't like, there's an edginess in the air which I don't like.
「嫌いな人と同じ部屋にいると、空気が刺々しくて嫌です」
空気が張り詰めた感じは、there's an edginess in the air のように表現できます。
ご参考まで！
カナダ 
