Download the free app
I didn't know when I bought ours that it was (it wasn't a requirement - we're only painting one wall), but it turns out it is. Sherwin Williams Duration
https://www.sherwin-williams.com/do_it_yourself/sherwin_williams_products/interior_house_paint/paints/
Re: Did you use a low VOC paint in the nursery? Which brand?
I didn't know when I bought ours that it was (it wasn't a requirement - we're only painting one wall), but it turns out it is. Sherwin Williams Duration
https://www.sherwin-williams.com/do_it_yourself/sherwin_williams_products/interior_house_paint/paints/