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  5. Santa Ana

Santa Ana

Orange County, California

2024-05-04 03:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
15.4
O3
μg/m³
79.3
PM10
μg/m³
28
NO2
μg/m³
44.4
CO
μg/m³
750
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
17℃
79%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Data Sources
http://www.airnow.gov/

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