How do I know if my AVA Breathe is filtering properly? AVA Support January 22, 2020 23:00 Updated Connect to your AVA Breathe app to see details on your filter status and performance (shown on home page as Filtered AQI). Related articles How many filters will I typically need in one month? How long does the AVA Breathe battery last? Comments 0 comments Please sign in to leave a comment.