Lack of rainfall, along with low winds and stagnant conditions that trapped pollution near the ground, contributed to increase in soot, officials say.
California's parched winter brought a big surge in air pollution, pushing the number of bad air days one-third higher than the previous winter and posing a serious health threat, state air quality officials said Tuesday.
via L.A. Times - Science http://ift.tt/1nafCM3
California's parched winter brought a big surge in air pollution, pushing the number of bad air days one-third higher than the previous winter and posing a serious health threat, state air quality officials said Tuesday.
via L.A. Times - Science http://ift.tt/1nafCM3
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