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Nitrogen
78.08%
Oxygen
20.95%
Carbon dioxide
0.03%
Argon
0.93
2 Factors of air temperature
latitude, elevation
Maritime
Coastal areas summer and winter temperatures not as different (Maritime or Continental)
Continental
Middle of continents hottest in summer and coldest in winter (Maritime or Continental)
Windward
ocean moderate temperature – warmer winter and cooler summer (windward or leeward)
Leeward
continent bring more extreme temperatures –colder winter and hotter summer (windward or leeward)
Solid Particles (soot & dust)
bad for lungs
Sulfur Oxides (SOx)and Nitrogen Oxides (NOx)
Acid Rain which harms/kills plants & aquatic wildlife; irritates lungs
Heavy Metals – Mercury (Hg), Lead (Pb) & others
toxins to humans & other animals/plants
Carbon Dioxide (CO2) and Methane (CH4)
Increased greenhouse effect, Global Warming/Climate Change
Ground Level Ozone (O3)
irritates respiratory system
Chlorofluorocarbons (CFCs such as CFCl3)
destroy ozone layer (good news - banned by global treaty in 1990’s)
Soot and Dust Source
forest fires, burning coal & burning diesel fuel, farming, wood stoves (Source)
SOx and NOx Source
Burning coal, diesel, gasoline (Source)
CO2 Source
Burning fossil fuels, deforestation, making cement (Source)
CH4 (methane) Source
natural gas drilling/pipelines, agriculture, landfills (Source)
Ozone layer Source
burning gasoline, diesel (Source)
CFC’s Source
refrigerants in air conditioners, refrig/freezers (Source)
Heavy Metals Source
Burning Coal, Hg, Pb & others various industries (Source)