A new global study on air pollution has a warning for anyone who spends time outside
More than half the world breathed unhealthy smog in 2026, a new study finds. Learn why heat and wildfires played a role and how to check your air.
Mason Reed 
More than half the world breathed unhealthy smog in 2026, a new study finds. Learn why heat and wildfires played a role and how to check your air.
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