Pasadena, CA Air Quality

ZIP 91101 · As of 10:09 PM
Air quality index41Good

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

Next 24 hours

US AQI
  1. 41Now
  2. 41
  3. 41
  4. 421 AM
  5. 43
  6. 43
  7. 434 AM
  8. 43
  9. 43
  10. 437 AM
  11. 42
  12. 41
  13. 4310 AM
  14. 44
  15. 45
  16. 351 PM
  17. 24
  18. 14
  19. 264 PM
  20. 37
  21. 49
  22. 477 PM
  23. 45
  24. 43

Air quality outlook

Worst hour each day
  • Today46Good
  • Sat 1749Good
  • Sun 1875Moderate
  • Mon 1977Moderate
  • Tue 2057Moderate

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

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About Pasadena weather

Pasadena is in Los Angeles County, California, United States at 34.15°, -118.14°. Right now it’s 82° and clear; today’s high is 87° with a 1% 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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