Air Quality Concerns in Alaska

1
Air Quality Concerns in Alaska

• Improve and Protect Air Quality in Alaska
  Workshop
• November 6, 2007
• Presented By
• Alice Edwards
• Alaska Department of Environmental Conservation

2
Objective

• Discuss Air Quality Concerns
• What are sources of air pollution in Alaska?
• What are some air pollution problems?
• What problems are you concerned about?

3
What are some sources of air pollution in Alaska?
4
Industrial Point Sources
5
Non-Point (Area) Sources
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Non-Point (Area) Sources
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On-Road Mobile Sources
8
Non-Road Mobile Sources
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Non-Road Mobile Sources
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Non-Road Mobile Sources
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Non-Road Mobile Sources
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International and Long-Range Transport
13
Arctic Haze

• Air enters Alaska from the Arctic
• Occurs in winter
• Brings pollution from other Eastern Europe and
  Russia

14

Asian Dust

• Air enters Alaska from Asia, especially China
• Occurs in spring

15
Wildfire Smoke

• Wildfires in Canada and Siberia produce smoke
  that impact Alaska
• Occurs in summer

16
What are some air pollution concerns in Alaska?
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Dust
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Dust
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Wildfire Smoke
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Carbon Monoxide
21
Fine Particulate Matter
22
Benzene
23
Indoor Air
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Hazardous Air Pollutants

• Mercury
• Persistent Organic Pollutants

25
Climate Change Greenhouse Gas Emissions
26
What are your concerns about air quality?