Dayton, OH Air Quality

As of 11:25 PM
Air quality index54Moderate

Acceptable for most people; unusually sensitive people should take it easier outdoors.

Next 24 hours

US AQI
  1. 61Now
  2. 53
  3. 52
  4. 522 AM
  5. 51
  6. 46
  7. 425 AM
  8. 37
  9. 37
  10. 378 AM
  11. 37
  12. 39
  13. 4111 AM
  14. 43
  15. 33
  16. 222 PM
  17. 12
  18. 26
  19. 395 PM
  20. 53
  21. 51
  22. 498 PM
  23. 47
  24. 46

Air quality outlook

Worst hour each day
  • Today88Moderate
  • Thu 853Moderate
  • Fri 957Moderate
  • Sat 10128Unhealthy for sensitive groups
  • Sun 1169Moderate

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

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About Dayton weather

Dayton is in Montgomery County, Ohio, United States at 39.76°, -84.19°. Right now it’s 65° and partly cloudy; today’s high is 80° with a 0% chance of rain.

Ohio has a humid continental climate with cold winters and warm, humid summers. The state's weather is influenced by Lake Erie to the north and the Ohio River Valley to the south, creating noticeable regional differences. Columbus receives approximately 39 inches of rain and 28 inches of snow annually, with precipitation distributed fairly evenly throughout the year.

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