Rapid City, SD Air Quality

As of 12:14 AM
Air quality index24Good

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

Next 24 hours

US AQI
  1. 30Now
  2. 22
  3. 36
  4. 503 AM
  5. 65
  6. 64
  7. 636 AM
  8. 63
  9. 60
  10. 569 AM
  11. 53
  12. 60
  13. 6712 PM
  14. 75
  15. 77
  16. 783 PM
  17. 80
  18. 78
  19. 776 PM
  20. 75
  21. 72
  22. 699 PM
  23. 67
  24. 63

Air quality outlook

Worst hour each day
  • Today80Moderate
  • Sat 1061Moderate
  • Sun 11500Hazardous
  • Mon 1229Good
  • Tue 1337Good

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

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About Rapid City weather

Rapid City is in Pennington County, South Dakota, United States at 44.08°, -103.23°. Right now it’s 51° and partly cloudy; today’s high is 90° with a 1% chance of rain.

South Dakota has a continental climate with wide temperature extremes, ranging from summer highs well above 100 degrees Fahrenheit to winter lows far below zero. The state is divided into distinct climate regions: the more humid eastern prairies and the semi-arid western plains and Black Hills. Pierre, one of the least-visited state capitals, has a climate marked by low humidity, ample sunshine, and strong temperature contrasts between seasons.

More South Dakota cities