San Diego, CA Air Quality

As of 4:42 PM
Air quality index43Good

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

Next 24 hours

US AQI
  1. 63Now
  2. 46
  3. 29
  4. 337 PM
  5. 36
  6. 39
  7. 3810 PM
  8. 37
  9. 35
  10. 371 AM
  11. 39
  12. 41
  13. 434 AM
  14. 44
  15. 45
  16. 457 AM
  17. 45
  18. 45
  19. 4410 AM
  20. 44
  21. 43
  22. 391 PM
  23. 35
  24. 31

Air quality outlook

Worst hour each day
  • Today80Moderate
  • Thu 845Good
  • Fri 943Good
  • Sat 1041Good
  • Sun 1135Good

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

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About San Diego weather

San Diego is in San Diego County, California, United States at 32.72°, -117.16°. Right now it’s 82° and partly cloudy; today’s high is 91° with a 0% chance of rain.

California encompasses an extraordinary range of climates, from the Mediterranean coast to alpine peaks, scorching deserts, and temperate rainforests. The state's Central Valley is one of the most productive agricultural regions in the world, benefiting from warm, dry summers and mild, wet winters. Death Valley holds the record for the highest reliably recorded air temperature on Earth at 134 degrees Fahrenheit.

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