How is a pollen forecast different from an epidemic thunderstorm asthma forecast?

Pollen forecasts simply reflect the expected amount of pollen in the air. They can help people with hay fever (seasonal allergic rhinitis) who may choose to avoid being outdoors on these days. In Victoria grass pollen seems to be the most problematic.

Epidemic thunderstorm asthma forecasts combine grass pollen forecasts with the prediction of a certain type of thunderstorm thought to produce a thunderstorm asthma event.

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