PittMAP: Around the World in 120 Days: Join the University of Pittsburgh's intrepid study group as it examines public health issues in Buenos Aires, Cape Town and Beijing.

We examine air pollution in Western Pennsylvania and its effect on our health.

Index: Follow the PG's occasional series about the human face.

Watch for weekly coverage in Monday print editions of the PG.

• Children's Hospital:
  A user's guide
• Early Onset Alzheimer's:
  A Life Hijacked
• Out of Control:
  The Diabetes Crisis in Western Pennsylvania

• Region's ozone levels and air quality

Daily update from the Pennsylvania Department of Environmental Protection

Pollen counts for Western Pennsylvania, recorded at Allegheny General Hospital.