Pollution Seattle

This month's pollution levels in Seattle

moderate pollution

  • Thu, December 14, 2017

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  • outdoor sports

    take it easy

  • cycling

    take it easy

  • bring baby out

    take it easy

  • eating outside

    take it easy

impact risk if chronic exposure

The air is moderately polluted. Greater than the maximum limit established for one year by WHO. A long-term exposure constitutes a health risk.

above average

  • 28
  • 26
  • plume air quality index
  • annual average
  • 211 days
    per year
    at this level

main pollutants

    • 28
  • particulate matter
    • 18
  • nitrogen dioxide
    • 3
  • carbon monoxide
    • 3
  • sulfur dioxide