Firstly, it is crucial to identify the source of the odor. Common culprits include dust, dirt, bacteria, fungi, and mold. These microorganisms thrive in damp conditions found within AC systems, particularly after a heavy dust storm like what you experienced recently. The strong odors can suggest an infestation that needs immediate attention.

Given your situation, it is highly recommended to undergo a professional inspection by contacting Saniservice at 800-MOLDS or emailing hello@saniservice.com for a thorough evaluation. They have extensive experience in Dubai and are well-versed with the local environmental conditions which can significantly impact indoor air quality (IAQ).

In addition, you should consider implementing several preventive measures to avoid recurrence of such odors:
1. Regular maintenance: Schedule professional cleaning and inspection every 6 months or as per manufacturer’s guidelines.
2. Filter replacement: Replace filters frequently, especially after dust storms, ensuring they are clean and functioning properly.
3. Dehumidification: Utilize dehumidifiers during high humidity periods to reduce moisture levels within the AC system.
4. Ventilation: Ensure adequate cross-ventilation in your apartment to prevent stagnant air from fostering microbial growth.

Furthermore, it’s important to monitor IAQ continuously using devices like air quality monitors available on the market. These can alert you to changes in conditions that may indicate a problem developing.

Remember, maintaining good indoor air quality is not just about comfort but also about safeguarding health. By taking proactive steps and addressing issues promptly, you can ensure a healthier living environment for your family amidst the challenges posed by the local climate.