Current AQ Index in Castaic

Castaic Air Pollutants

Primary air pollutant in the Castaic area:

OZONE - 115 Unhealthy for Sensitive Groups

People with heart or lung disease, older adults, children and teens – 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.
Everyone else: Enjoy your outdoor activities.

Other Pollutants:

PM2.5 - 64 Moderate

Primary Pollutant: OZONE - 112 Unhealthy for Sensitive Groups

Secondary Pollutant: PM2.5 - 53 Moderate

Secondary Pollutant: PM10 - 27 Good

Secondary Pollutant: CO - 3 Good

Secondary Pollutant: NO2 - 21 Good

Primary Pollutant: OZONE - 151 Unhealthy

Secondary Pollutant: PM2.5 - 53 Moderate

Secondary Pollutant: PM10 - 30 Good

Secondary Pollutant: CO - 3 Good

Secondary Pollutant: NO2 - 22 Good

Primary Pollutant: OZONE - 147 Unhealthy for Sensitive Groups

Secondary Pollutant: PM2.5 - 55 Moderate

Secondary Pollutant: PM10 - 29 Good

Secondary Pollutant: CO - 4 Good

Secondary Pollutant: NO2 - 22 Good