12 health issues caused by poor air quality, from headaches to sinus pain

The Statue of Liberty is covered in haze and smoke caused by wildfires in Canada.

Amr Alfiky/Reuters

• Cities across the northeastern US are covered in smoke from wildfires in Canada.
• The air quality is hazardous in some areas, putting people at risk of lung and heart inflammation.
• The CDC says this air can cause many health issues including sinus pain and headaches.

A dark smog, and strong smell of burnt wood, crept across the East Coast and Midwest this week, pouring south from wildfires in Canada.