Hot weather can worsen asthma and allergy symptoms due to increased air pollution, higher pollen counts, dry air, dust, and mold growth. These factors irritate the airways, leading to coughing, wheezing, and breathing difficulty. Staying hydrated, monitoring air quality, using air conditioning or air purifiers, avoiding peak heat hours, and following an asthma action plan can help reduce symptoms. Seek medical attention if breathing problems, chest tightness, or persistent co