Here are 4 ways to prevent/ minimize air pollution:   Improve ventilation - Increase fresh air flow into your home or office by opening windows, using exhaust fans, or using an air purifier. Eliminate sources of pollution - Avoid using harmful chemicals or products, smoking indoors, or burning wood or charcoal indoors. Maintain appliances and HVAC systems - Keep appliances like stoves and furnaces in good condition, and replace filters regularly. Monitor and test regularly - Regularly monitor indoor air quality and test for specific pollutants like radon or mold to detect any issues early.