Have your car detailed with all natural products. Use a hepa vacuum to remove pollen, mite and pet allergens. Allergy Buyers Club recommends using the attachments to the Miele for this job. Use a Eureka hot shot to steam-clean the upholstery and carpets. This gets rid of mold and dust mite allergen.
Air conditioners are a repository for all sorts of allergens.
Spray your air conditioner with a dust and mold removal spray. Filter Plus is available at Home Depot. 5. Keep your car windows closed in pollen, and use your air conditioner, not an open window to cool down. When renting a car, specify a non-smoking car. If you have asthma, get a portable nebulizer that plugs into your car battery.