Australian scientists are mapping grass pollen levels across the country from space, in a bid to develop an early warning system for asthma sufferers on high-danger days.
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Spring might mean sunshine and flowers to some but to others, such as Mark Fletcher and seven-year-old daughter Bianca, it means itchy eyes and asthma attacks.
The Fletchers live in Balgowlah near Manly and say it’s the weeds around their suburb that cause the most irritation during the warmer seasons.
“When I lived in Canberra I hardly felt my asthma, but I was far more active,” Mr Fletcher says.
This spring is expected to be the worst for hay fever in half a decade and it's already here for some of us.
While there's a temptation to curse the bright wattles that start flowering at this time of year, Melbourne University pollen counter Ed Newbigin said the real culprits are far less conspicuous.
