AQ Index for Costa Mesa, California

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Current AQ Index in Costa Mesa

Costa Mesa Air Pollutants

Primary air pollutant in the Costa Mesa area:

PM2.5 - 153 Unhealthy

People with heart or lung disease, older adults, children and teens – take any of these steps to reduce your exposure:

  • Avoid strenuous outdoor activities.
  • Keep outdoor activities short.
  • Consider moving physical activities indoors or rescheduling them.
Everyone else – take any of these steps to reduce your exposure:
  • Choose less strenuous activities (like walking instead of running) so you don’t breathe as hard.
  • Shorten the amount of time you are active outdoors.
  • Be active outdoors when air quality is better.

Other Pollutants:

PM10 - 77 Moderate

OZONE - 6 Good

Daily Air Quality Forecast for Costa Mesa, California

Primary Pollutant: PM2.5 - 67 Moderate

Secondary Pollutant: PM10 - 44 Good

Secondary Pollutant: OZONE - 18 Good

Secondary Pollutant: CO - 14 Good

Secondary Pollutant: NO2 - 44 Good

Primary Pollutant: PM2.5 - 61 Moderate

Secondary Pollutant: PM10 - 27 Good

Secondary Pollutant: OZONE - 19 Good

Secondary Pollutant: CO - 17 Good

Secondary Pollutant: NO2 - 43 Good