https://polly.mierzwa.net/blog/ Notes on pollen and living with allergies, from the maker of Polly. en Mon, 27 Jul 2026 09:00:00 +0000 https://polly.mierzwa.net/blog/why-your-allergy-app-says-low/ https://polly.mierzwa.net/blog/why-your-allergy-app-says-low/ Mon, 27 Jul 2026 09:00:00 +0000 City-wide averages hide the one species that ruins your week. Here is what we measure instead. https://polly.mierzwa.net/blog/grass-pollen-hour-by-hour/ https://polly.mierzwa.net/blog/grass-pollen-hour-by-hour/ Mon, 27 Jul 2026 09:00:00 +0000 Counts usually peak late morning and again at dusk. A short guide to timing your day around it. https://polly.mierzwa.net/blog/birch-pollen-and-apples/ https://polly.mierzwa.net/blog/birch-pollen-and-apples/ Mon, 27 Jul 2026 09:00:00 +0000 Cross-reactivity explains why apples suddenly itch in April. What to watch for.