iOS: If you're an allergy sufferer, knowing the pollen count can be really handy. FreshAir grabs pollen count data from the Australian Bureau of Meteorology and presents a simple summary based on your current location.
That's pretty much all it does, but for hayfever sufferers, that could be worth the icon on your phone. The developer is also working on an Android version.
We know there are lots of weather apps out there; if you've got a favourite alternative source for tracking pollen (on iOS, Android or anywhere else), we'd love to hear about it.