The general recommendation for changing a cabin air filter is every 15,000 to 30,000 miles (approximately 24,000 to 48,000 kilometers), depending on the vehicle's make, model, and driving conditions

. Many car manufacturers suggest this interval, but experts often advise more frequent changes for optimal air quality and health. Key points to consider:

• Twice a year replacement is ideal: Experts recommend changing the cabin air filter before and after the pollen season (spring and fall) to prevent allergens, dust, fungi, and bacteria buildup, which can reduce filter efficiency and cause unpleasant odors

• Driving environment matters: If you drive in dusty, polluted, or high-allergen areas, or frequently on dirt roads, you should replace the filter more often-sometimes as frequently as every 6-8 months or even sooner if needed

• Health considerations: People with allergies or respiratory issues should change their cabin air filter more frequently to maintain cleaner air inside the vehicle

• Seasonal changes: Changing the filter in fall helps with defrosting in winter, and changing it in spring supports air conditioning performance in summer

• Signs you need a change: Reduced airflow, musty odors inside the car, or visible dirt on the filter are indicators that replacement is due

In summary, while the standard interval is about every 15,000 to 30,000 miles, adjusting the frequency based on environmental factors and health needs is recommended. Many experts suggest changing the cabin air filter twice a year for best results

. Always consult your vehicle’s owner manual for specific guidance.