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  4. San Diego County

San Diego County

California

2026-10-12 04:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
28.2
O3
μg/m³
75
PM2.5
μg/m³
9.7
Weather
  • ℃
  • ℉
18℃
86%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 24
Borrego Springs
AQI 24
Camp Pendleton South
AQI 38
Campo
AQI 22
Carlsbad
AQI 38
Casa de Oro-Mount Helix
AQI 27
Chula Vista
AQI 28
Coronado
AQI 27
Del Mar
AQI 25
El Cajon
AQI 27
Encinitas
AQI 25
Escondido
AQI 25
Fairbanks Ranch
AQI 25
Fallbrook
AQI 38
Hidden Meadows
AQI 38
Imperial Beach
AQI 28
La Mesa
AQI 27
La Posta Band of Indians
AQI 23
Lake San Marcos
AQI 25
Lemon Grove
AQI 27
National City
AQI 27
Oceanside
AQI 38
Poway
AQI 25
Rainbow
AQI 19
Rancho Santa Fe
AQI 25
San Diego
AQI 29
San Marcos
AQI 25
Santee
AQI 27
Solana Beach
AQI 25
Spring Valley
AQI 27
Valley Center
AQI 25
Vista
AQI 38
Winter Gardens
AQI 27
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 29
Coronado
AQI 27
National City
AQI 27
Chula Vista
AQI 28
Lemon Grove
AQI 27
La Mesa
AQI 27
Imperial Beach
AQI 28
Spring Valley
AQI 27
Casa de Oro-Mount Helix
AQI 27
El Cajon
AQI 27
Santee
AQI 27