Increased arthmatic attacks in certain seasons are related to

Increased asthmatic attacks in certain seasons are related to Inhalation of seasonal pollen.
The same substances that trigger allergic rhinitis with symptoms, such as pollen, dust mites and pet dander, may also cause asthma signs and symptoms.
Asthma symptoms like shortness of breath are often closely linked to allergies and exposure to allergic triggers, such as ragweed, pollen, and animal dander or dust mites. Irritants in the air like smoke, chemical fumes, strong odours or extreme weather conditions can also be triggers.