Reference summary — not medical advice or a personal risk estimate.
Welding fumes
Group 1 — carcinogenic to humansOccupationalchemicalEvidence: sufficient_in_humans
Summary
Fumes from welding metals are associated with lung cancer.
Detail
IARC reclassified welding fumes as Group 1 in 2017 with sufficient evidence for lung cancer and limited evidence for kidney cancer. Local exhaust ventilation and respirators reduce exposure.
Regional relevance
global
global
Sources
Consumer references
Third-party tools some readers use alongside primary evidence. Meyron doesn't endorse them; we link them because you'll otherwise hit them anyway.
- California Prop 65 list
State of California's list of chemicals known to cause cancer or reproductive harm.