It appears to be allergic rhinitis ( allergy originating in the nose) which can occur due to exposure to dust, mites , smoke , strong fragrances etc
Allergy is body’s response to the environment which can be effectively controlled by limiting exposure to things which cause it and with support of medicines
Next Steps
Can take a video consult with ENT for better understanding of your problem and provide medication
Health Tips
Avoid all exposure to dust/pollution
Weekly change of bed linen
Try to look for the allergen which induces the episodes