[DOC] [TLE] Smog - Wikipedia [PAR] Smog is a type of air pollutant. The word "smog" was coined in the early 20th 
century as a ... The atmospheric pollution levels of Los Angeles, Beijing, Delhi, 
Mexico City, ... Photochemical smog is the chemical reaction of sunlight, nitrogen 
oxides ... Ground-level ozone, sulfur dioxide, nitrogen dioxide and carbon 
monoxide... [DOC] [TLE] Car Exhaust - Toxins and Air Pollution - Alpha Online [PAR] Hydrocarbons react in the presence of nitrogen oxides and sunlight to form ... A 
number of exhaust hydrocarbons are also toxic, some with the potential to cause 
cancer. ... In urban areas, the passenger vehicle contribution to carbon monoxide 
... hydrocarbon pollution from cars on hot days when ozone levels are highest. [DOC] [TLE] Ground-Level Ozone - IFC [PAR] Ground- level ozone is formed in the air by the photochemi- cal reaction of 
sunlight and nitrogen oxides (NOx), facilitated by a variety of ... hydrocarbons. 
The relative ... when sea breezes cause circulation of air over an ... (one-hour) 
mean ambient concentrations in urban ... Pollution Prevention and Abatement 
Handbook. [DOC] [TLE] Tropospheric Ozone: Background Material [PAR] The two major sources of natural ground-level ozone are hydrocarbons, which 
are ... Unlike most other air pollutants, ozone is not directly emitted from any one 
source. ... of sunlight, particularly ultraviolet light, with hydrocarbons and nitrogen 
oxides, which ... High concentrations of ozone cause plants to close their stomata
. [DOC] [TLE] Glossary - Golden and District Air Quality Committee [PAR] Air Contaminant Any particulate matter, gas or combination of these other than ... 
of pollutants include: dust, wood smoke, nitrogen dioxide, ground-level ozone, 
and .... Inversion (a.k.a. Temperature Inversion) Typically air layers become 
cooler ... Sunlight causes the nitric oxide in the lower atmosphere to react with 
oxygen to... [DOC] [TLE] Milkweed Monitoring: Keeping a Finger on Nature's Pulse [PAR] pollution stress in both urban and remote rural ecosystems. ... stratospheric 
ozone and ground level ozone, a.k.a. tropospheric ozone, ... ground-level ozone 
is formed by combining these pollutants, it is called a secondary pollutant. ... 
VOCs are hydrocarbons. ... The rays in sunlight cause the nitrogen oxides and 
VOCs to. [DOC] [TLE] 08.07.09: The Effect of Vehicular Emissions on Human Health [PAR] Emissions causing air pollution are associated with the full life-cycle of cars, 
buses, ... polychlorinated biphenyls, a.k.a. PCBs, which is a mix of about 70 
chemicals, ... The major pollutants emitted include hydrocarbons, nitrogen oxides
, carbon .... with nitrogen oxides in the presence of sunlight to form ground level 
ozone,... [DOC] [TLE] Atmospheric Chemistry: Air Pollution and Global Warming Table of ... [PAR] Jan 15, 2015 ... Oxygen: Allotropes O2 and Ozone O3, Ions, and Radicals; Sources and Sinks of 
O2 . ... Nitric Oxide NO, Nitrogen Dioxide NO2, and Combined Nitrogen Oxides 
NOx. ...... at sea level (after atmospheric absorption interactions varying with ... 
graph.11 Sunlight with wavelength < 300 nm does not reach below... [DOC] [TLE] Region of Okanagan-Similkameen Air Quality Management Plan [PAR] Oct 27, 2005 ... sources, as those that need to be addressed through a combination of Public 
Education and ..... Lightning causes nitrogen and oxygen in the air to form .... 
Ground level ozone contributes to air pollution and collects over ... through 
complex chemical reactions when sunlight acts on oxides of ... urban smog. [DOC] [TLE] Unit 5 Pollution by muzaina ahmed on Prezi [PAR] (Nitrogen dioxide absorbs sunlight and breaks up releasing oxygen atoms) ... 
evaluate pollution management strategies for urban air pollution REGULATE 
REDUCE ... Air pollution Soil Pollution: - measure the level of organic matter in 
the soil ... of sediment) Nitrogen compounds can cause undesirable effects in the 
aquatic... [DOC] [TLE] Glossary of Environmental Terms: Environment Terms & Acronyms [PAR] AURN  Automatic Urban and Rural (air quality monitoring) Network, managed ... 
Below Ground Level (BGL)  A term used in topographical mapping to ... BTEX  
A common mixture of the hydrocarbon pollutants benzene, toluene,

Question: Nitrogen oxides combined with hydrocarbons in sunlight cause ground-level ozone, AKA this urban pollution
Answer: smog