Michelle Griffiths remembers November 21, 2016 well.
It had been a windy, warm day in Melbourne, so that evening she and her husband opened up the big glass doors off their lounge room to air their house after the warmth of the day.
“I do remember being quite hayfevery and agitated in my sinuses,” she says.
“I remember just getting very tight in my chest and wheezing.”
Michelle had been diagnosed with mild asthma as a child, but aside from a little bit of exercise-induced asthma it hadn’t bothered her much since.
That was until she got thunderstorm asthma during a previous Melbourne event in…