Mask Efficiency Calculator
Calculate the effectiveness of different masks and respirators for air pollution protection. Compare filtration efficiency and get personalized protection recommendations.
Disclaimer: These calculations are estimates based on laboratory testing data and may not reflect
real-world performance. Actual protection depends on proper mask selection, fit, usage, and maintenance.
This tool is for educational purposes and should not replace professional respiratory protection guidance.
Mask Protection Comparison
| Mask Type | Filtration Efficiency | Pros | Cons | Best For |
|---|---|---|---|---|
| P100 Respirator | 99.97% | Highest protection, reusable | Expensive, bulky, breathing resistance | Severe pollution, occupational use |
| N95/KN95 | ≥95% | Excellent protection, certified | Single-use, fit-dependent | Moderate to unhealthy AQI |
| Surgical Mask | 30-60% | Comfortable, breathable | Poor seal, limited fine particle protection | Light pollution, droplet protection |
| Cloth Mask | 10-30% | Reusable, affordable | Variable quality, minimal fine particle protection | Low pollution, general use |
| Bandana/Scarf | 5-15% | Always available, cheap | Very poor protection, loose fit | Emergency use only |
Maximizing Mask Effectiveness
✅ Proper Fitting
- Ensure complete seal around nose and mouth
- No air should leak around edges
- Adjust nose bridge for N95/KN95 masks
- Check fit every time you put on mask
- Consider professional fit testing
🔄 Maintenance & Care
- Replace disposable masks after each use
- Store masks in clean, dry place
- Don't touch mask front during use
- Wash reusable masks after each use
- Replace when damaged or hard to breathe through
⚠️ Common Mistakes
- Wearing mask below nose
- Using damaged or wet masks
- Touching mask frequently
- Improper storage between uses
- Using wrong size or type
📚 Understanding Mask Protection
Learn about real-world mask effectiveness using NIOSH standards and scientific research.
😷 Mask Types & Effectiveness
Based on NIOSH standards:
- P100: 99.97% filtration (laboratory)
- N95/KN95: 95% filtration (laboratory)
- Surgical: ~45% filtration
- Cloth: 20-60% (varies widely)
🔧 Real-World Factors
OSHA guidelines show real-world effectiveness depends on:
- Fit quality: Proper seal is crucial
- Activity level: Heavy breathing reduces efficiency
- Duration: Performance degrades over time
- Mask condition: Replace when dirty/damaged
✅ Proper Usage Tips
Maximize protection with CDC recommendations:
- Ensure nose and mouth coverage
- Check for air leaks around edges
- Avoid touching mask while wearing
- Replace single-use masks daily
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