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| Air Pollution in Houston, Texas |
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| Air Pollution in Houston |
Pollution Image Info - Air pollution in the city of Houston, Texas may be worst in the U.S., but not limited to the smog in the sky Houston.Houston's rank has gradually improved since it hit No. 4 in 2008 but Now The Texas Commission on Environmental Quality now monitors emissions with infrared cameras and enforces limits on ozone-forming chemicals.
