Upgraded pollen forecast system launched ahead of thunderstorm asthma season

Key points

• Victorian authorities are urging residents to prepare for thunderstorm asthma as grass pollen season begins. The state has upgraded its forecasting system, which now uses seven pollen counters across Victoria.
• From October 1 to December 31, daily three-day forecasts will be published on the VicEmergency website and app, rating risk as low, moderate or high for nine weather districts.
• Health officials warn the condition can be life-threatening and advise people at risk to stay indoors during storms, especially when gusty winds arrive.