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  4. San Diego County

San Diego County

California

2026-10-19 04:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
48.4
O3
μg/m³
73.6
PM2.5
μg/m³
9.2
Weather
  • ℃
  • ℉
21℃
79%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 31
Borrego Springs
AQI 33
Camp Pendleton South
AQI 53
Campo
AQI 32
Carlsbad
AQI 64
Casa de Oro-Mount Helix
AQI 48
Chula Vista
AQI 41
Coronado
AQI 50
Del Mar
AQI 40
El Cajon
AQI 48
Encinitas
AQI 40
Escondido
AQI 40
Fairbanks Ranch
AQI 40
Fallbrook
AQI 64
Hidden Meadows
AQI 64
Imperial Beach
AQI 39
La Mesa
AQI 48
La Posta Band of Indians
AQI 31
Lake San Marcos
AQI 40
Lemon Grove
AQI 48
National City
AQI 50
Oceanside
AQI 64
Poway
AQI 40
Rainbow
AQI 49
Rancho Santa Fe
AQI 40
San Diego
AQI 55
San Marcos
AQI 40
Santee
AQI 48
Solana Beach
AQI 40
Spring Valley
AQI 48
Valley Center
AQI 40
Vista
AQI 64
Winter Gardens
AQI 48
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 55
Coronado
AQI 50
National City
AQI 50
Chula Vista
AQI 41
Lemon Grove
AQI 48
La Mesa
AQI 48
Imperial Beach
AQI 39
Spring Valley
AQI 48
Casa de Oro-Mount Helix
AQI 48
El Cajon
AQI 48
Santee
AQI 48