Atmospore Pollen forecasts
The Atmospore API provides real-time and forecast pollen data for locations worldwide. Data is updated daily and include forecasts up to 7 days into the future.
About Atmospore Pollen forecasts
Atmospore is an API providing global pollen forecast data, updated daily with forecasts up to 14 days ahead. It offers point-based forecasts, area-wide averages across a configurable radius, and rankings of top contributing pollen species over a date range, with data broken down by individual species (trees, grasses, weeds) including values and risk levels. A species metadata endpoint listing multilingual names is available without authentication.
The API is suited for allergy-related applications such as location-based alert apps, regional dashboards, smart home integrations, health services, and weekly allergen summaries. Paid plans include a map tiles endpoint returning signed vector tile URLs covering global land area, all species plus totals, and every forecast day, intended for use with map libraries such as MapLibre, Mapbox GL JS, OpenLayers, or deck.gl.
Requests are authenticated via an x-api-key header, with a demo mode available when no key is supplied.
Key features
- Point-location pollen forecasts up to 14 days ahead via /v1/pollen
- Area-wide average, min, and max pollen levels over a configurable radius (up to 50km) via /v1/pollen-area
- Ranked top-contributing allergen species over a date range via /v1/pollen-top
- Global vector map tiles with per-species pollen data for MapLibre, Mapbox GL JS, OpenLayers, and deck.gl
- Multilingual species metadata endpoint with no authentication required
- Daily updated forecasts covering global coverage and a large catalog of modelled species
Frequently asked questions
Is there a free way to try the API?
Yes, requests can be made in demo mode by leaving the x-api-key header empty.
What authentication does the API use?
Requests are authenticated with an x-api-key header, with keys obtained from your account.
What mapping libraries work with the map tiles endpoint?
The /v1/map-tiles endpoint returns TileJSON with signed URLs compatible with MapLibre, Mapbox GL JS, OpenLayers, and deck.gl, and is available on paid plans.
How far in advance can I get forecasts, and how often is data updated?
Forecasts cover up to 14 days ahead on the pollen endpoints (the overview cites a 7-day forecast), and data is updated daily with accuracy refined as the target date approaches.
What units are pollen values reported in?
Pollen values are reported in grains per cubic meter (grains/m³).
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