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  4. San Diego County

San Diego County

California

2026-10-18 04:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
46.3
O3
μg/m³
74.8
PM2.5
μg/m³
6.7
Weather
  • ℃
  • ℉
24℃
39%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 33
Borrego Springs
AQI 49
Camp Pendleton South
AQI 61
Campo
AQI 42
Carlsbad
AQI 61
Casa de Oro-Mount Helix
AQI 37
Chula Vista
AQI 49
Coronado
AQI 48
Del Mar
AQI 41
El Cajon
AQI 37
Encinitas
AQI 41
Escondido
AQI 41
Fairbanks Ranch
AQI 41
Fallbrook
AQI 61
Hidden Meadows
AQI 61
Imperial Beach
AQI 49
La Mesa
AQI 37
La Posta Band of Indians
AQI 28
Lake San Marcos
AQI 41
Lemon Grove
AQI 37
National City
AQI 48
Oceanside
AQI 61
Poway
AQI 41
Rainbow
AQI 51
Rancho Santa Fe
AQI 41
San Diego
AQI 53
San Marcos
AQI 41
Santee
AQI 37
Solana Beach
AQI 41
Spring Valley
AQI 37
Valley Center
AQI 41
Vista
AQI 61
Winter Gardens
AQI 37
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 53
Coronado
AQI 48
National City
AQI 48
Chula Vista
AQI 49
Lemon Grove
AQI 37
La Mesa
AQI 37
Imperial Beach
AQI 49
Spring Valley
AQI 37
Casa de Oro-Mount Helix
AQI 37
El Cajon
AQI 37
Santee
AQI 37