Moderate levels of tree and weed pollen as well as other airborne particulate

 Although grass pollen remains low there have been moderate amounts of tree and weed pollen around as well as other airborne particulate over the past 24 hours. Asthma and hayfever sufferers will need to take extra care 

Grass pollen remains low

Grass pollen reamins low and tree pollen remains at moderate levels 

Tree pollen remains at moderate levels

 Asthma and Hayfever sufferers who are tree pollen allergic will need to take extra care