AQ Index for San Diego County, California

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Air Quality Index for San Diego County, California

The area with the highest AQ Index (as of 23:00 PDT) in is in the Temecula Vly area. Particle Pollution (PM2.5) is measuring at 72 (Moderate). This means air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

Over the next few days, the highest primary air pollutant will be Ozone (OZONE) in the San Diego Mesa and Inland Valley area. It is forecasted to be 97 (Moderate), meaning air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

Below is a clickable map of San Diego County, California. The markers on the map identify large, populated cities. If you hover over a marker, it will display the city name and the current AQ index. The color of the city markers also references the current AQ risk level.

Range0 - 5051 - 100101 - 150151 - 200201 - 300301 - 500
Color
CategoryGoodModerateUnhealthy for Sensitive GroupsUnhealthyVery UnhealthyHazardous

Last Updated 7 minutes ago

AQ Index Forecast by City in San Diego County

Below is a list of cities in San Diego County where we track and forecast the AQ index. Click on a city name to get the current AQ index as well as any available forcasts.

San Diego Chula Vista Oceanside Escondido Carlsbad
El Cajon Vista San Marcos Encinitas National City
La Mesa Santee Poway La Presa Fallbrook
Spring Valley Imperial Beach Lemon Grove Coronado Winter Gardens
Ramona Rancho San Diego Lakeside Casa De Oro Mount Helix Bostonia
Camp Pendleton South Alpine Solana Beach Bonita Valley Center
San Diego Country Estates Eucalyptus Hills Jamul Harbison Canyon Del Mar
Bonsall Granite Hills Lake San Marcos Hidden Meadows Campo
Fairbanks Ranch Crest Rancho Santa Fe Rainbow Borrego Springs
Pine Valley Harmony Grove Descanso Julian Pala
Jacumba Elfin Forest Boulevard Del Dios Potrero
Mount Laguna