Tacoma, WA Air Quality

As of 8:23 PM
Air quality index45Good

Air quality is great — a good day to be outside.

Next 24 hours

US AQI
  1. 45Now
  2. 45
  3. 51
  4. 5711 PM
  5. 63
  6. 68
  7. 732 AM
  8. 78
  9. 81
  10. 845 AM
  11. 86
  12. 89
  13. 928 AM
  14. 94
  15. 82
  16. 7111 AM
  17. 59
  18. 54
  19. 482 PM
  20. 43
  21. 43
  22. 435 PM
  23. 43
  24. 40

Air quality outlook

Worst hour each day
  • Today57Moderate
  • Thu 894Moderate
  • Fri 939Good
  • Sat 1049Good
  • Sun 1153Moderate

From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.

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About Tacoma weather

Tacoma is in Pierce County, Washington, United States at 47.25°, -122.44°. Right now it’s 59° and mostly cloudy; today’s high is 64° with a 0% chance of rain.

Washington State's climate is dramatically split by the Cascade Range into two distinct regions. Western Washington, including Seattle and Olympia, has a marine climate with mild, wet winters and dry, pleasant summers. Eastern Washington is semi-arid with hot summers and cold winters, receiving far less precipitation due to the Cascade rain shadow. Seattle receives about 37 inches of rain per year, while areas in the Olympic Mountains receive over 150 inches.

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