Climate, Weather and Air Pollution in Eczema: A Systematic Review and Meta-Analysis

Evidence summary for education only; not individualized medical advice.

Why environment is studied

Temperature, humidity, ultraviolet exposure and air pollutants can affect skin barrier function, sweating and irritation. A systematic review pooled epidemiologic evidence linking these factors with eczema incidence or flares.

Population signal versus personal trigger

An association across cities does not mean every person reacts the same way. Housing, pollen, infection patterns, healthcare access and behavior may travel with climate variables.

Measurement challenges

Outdoor monitoring stations may not represent indoor or personal exposure. Studies also define eczema and “flare” differently, and seasonal variables are highly correlated.

Practical interpretation

A symptom diary can help identify reproducible patterns involving heat, sweat, cold air or pollution. Reasonable protection includes avoiding overheating, rinsing irritants and following a consistent prescribed care plan.

Infants

Babies cannot regulate temperature as efficiently as adults. Avoid overheating and seek medical care for fever, lethargy, painful blisters or rapidly spreading redness rather than attributing all change to weather.

Bottom line

The evidence supports environmental relevance at a population level but not rigid universal climate rules for every patient.

Related Dr. Arsy research

• Choosing an eczema moisturizer
• Eczema infection warning signs
• Eczema and sleep
• Eczema across skin tones
• Comparing eczema treatments
• Pediatric eczema education

References

1. Climate, weather and air-pollutant meta-analysis
2. Swimming and atopic dermatitis review
3. Swimming-pool attendance allergy meta-analysis
4. Exercise and skin barrier in young athletes
5. Sweat mechanisms in atopic dermatitis
6. Sweat gland function and dermatologic disease review
7. Pediatric lifestyle guidance
8. Adult eczema and physical exercise survey
9. Climate influence review
10. Environmental exposures umbrella review
11. Childhood meteorology meta-analysis
12. International Eczema Council climate review
13. Childhood seasonal attack-pattern study
14. English temperature-change eczema cohort
15. US seasonality study
16. Basic skin care for atopic dermatitis
17. AAAAI/ACAAI GRADE guideline
18. 2026 pediatric guideline
19. Atopic dermatitis clinical review
20. HOME core outcome set
21. POEM validation
22. RECAP control instrument
23. Skin barrier dysfunction review
24. Emollients Cochrane review