moderately high amount of micron particulate matter air pollution. sensor detect harmful invisible dust in the air. poor unhealthy living conditio

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moderately high amount of micron particulate matter air pollution. sensor detect harmful invisible dust in the air. poor unhealthy living condition. mobile device place on outdoor table.

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Size: 5472px × 3648px
Photo credit: © CSueb / Alamy / Afripics
License: Royalty Free
Model Released: No

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