My mother completely stopped driving in her early 70s... thank god for the Swiss medical driving fitness test! (now at 75 instead of 70?) she was perfectly fine with it, online food order+delivery had become available, and her immediate neighbors were loving people helping her whenever I+siblings were not easily available.
I've been using the PurpleAir website (map.purpleair.com) for many years now, mostly out of concern for heavy wildfire pollution and winter inversions vs personal outdoor+athletic activities; one interesting aspect is that you can buy your own sensor and thus join the community of local sensors for increased accuracy of measurements. They let you pick between various international standards and types of pollutants. They seem to have a dense network of sensors in North America, not sure about the rest of the world.