That's a relief!

• [That was close!]
• "Am I glad that's over!"
• "We avoided disaster!"
• [What a relief!]
• 'Close one!'
• "That was close!"
• ''We made it!''
• "Man, is it humid in here!"
• I'm relieved only a small number reported?

Wiktionary Word definitions in Wiktionary
interj. Used to show relief, fatigue, surprise, or disgust.