Hot weather can cause airway inflammation, dehydration, and easy fatigue, which have an impact on the respiratory system, including an increased aggravation of COPD (a disease that is common among smokers) due to airway inflammation.
Dehydration will trigger blood in the sputum (Hemoptysis) which will be observed in patients with active pulmonary tuberculosis or old healed kochs.
Because the pollen load in the air will be higher in the early summer, it will cause Eosinophilia, which will be followed by Bronchitis. Severity of Asthma
Increased use of air coolers, air conditioners, and refrigerators during this season makes adults and children more prone to upper respiratory tract infections, as well as Atypical pneumonia-like Legionella.