In case anyone needs, the Breathable app has been made free for life.
😮💨 Spread the word! Developer Garrett Murray has made Breathable, his air quality index tracker with excellent widgets, free of charge, forever:
In light of the awful fires and air quality in Los Angeles, I’ve made Breathable free and app will remain free permanently. I charged for the app prior only so I could donate the proceeds to climate change charities, but paying Apple 15% for that privilege is silly. breathable.app
On a side note, if you need to keep an eye on LA fires, I suggest using Watch Duty.