Pollen counts are updated daily from February 15 to November 15.
During an asthma attack, the following happen:
The muscle surrounding the airway tightens.
The lining of the airways become swollen.
The mucus glands along the airways increase mucus production.
Symptoms of an attack:
Wheezing – as air passes through the narrowed airways.
Coughing – as the lungs try to dislodge the mucus.
Difficulty in breathing – because the airways smaller and filled with mucus.