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  4. San Diego County

San Diego County

California

2026-10-18 08:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
36.3
O3
μg/m³
59.2
PM2.5
μg/m³
6.5
Weather
  • ℃
  • ℉
22℃
37%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 29
Borrego Springs
AQI 45
Camp Pendleton South
AQI 50
Campo
AQI 39
Carlsbad
AQI 50
Casa de Oro-Mount Helix
AQI 34
Chula Vista
AQI 36
Coronado
AQI 39
Del Mar
AQI 30
El Cajon
AQI 34
Encinitas
AQI 30
Escondido
AQI 30
Fairbanks Ranch
AQI 30
Fallbrook
AQI 50
Hidden Meadows
AQI 50
Imperial Beach
AQI 36
La Mesa
AQI 34
La Posta Band of Indians
AQI 28
Lake San Marcos
AQI 30
Lemon Grove
AQI 34
National City
AQI 39
Oceanside
AQI 50
Poway
AQI 30
Rainbow
AQI 34
Rancho Santa Fe
AQI 30
San Diego
AQI 42
San Marcos
AQI 30
Santee
AQI 34
Solana Beach
AQI 30
Spring Valley
AQI 34
Valley Center
AQI 30
Vista
AQI 50
Winter Gardens
AQI 34
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 42
Coronado
AQI 39
National City
AQI 39
Chula Vista
AQI 36
Lemon Grove
AQI 34
La Mesa
AQI 34
Imperial Beach
AQI 36
Spring Valley
AQI 34
Casa de Oro-Mount Helix
AQI 34
El Cajon
AQI 34
Santee
AQI 34