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  4. San Diego County

San Diego County

California

2026-10-19 01:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
48.2
O3
μg/m³
113.1
PM2.5
μg/m³
7.7
Weather
  • ℃
  • ℉
23℃
56%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 53
Borrego Springs
AQI 25
Camp Pendleton South
AQI 55
Campo
AQI 31
Carlsbad
AQI 55
Casa de Oro-Mount Helix
AQI 49
Chula Vista
AQI 49
Coronado
AQI 48
Del Mar
AQI 42
El Cajon
AQI 49
Encinitas
AQI 42
Escondido
AQI 42
Fairbanks Ranch
AQI 42
Fallbrook
AQI 55
Hidden Meadows
AQI 55
Imperial Beach
AQI 49
La Mesa
AQI 49
La Posta Band of Indians
AQI 32
Lake San Marcos
AQI 42
Lemon Grove
AQI 49
National City
AQI 48
Oceanside
AQI 55
Poway
AQI 42
Rainbow
AQI 43
Rancho Santa Fe
AQI 42
San Diego
AQI 51
San Marcos
AQI 42
Santee
AQI 49
Solana Beach
AQI 42
Spring Valley
AQI 49
Valley Center
AQI 42
Vista
AQI 55
Winter Gardens
AQI 49
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 51
Coronado
AQI 48
National City
AQI 48
Chula Vista
AQI 49
Lemon Grove
AQI 49
La Mesa
AQI 49
Imperial Beach
AQI 49
Spring Valley
AQI 49
Casa de Oro-Mount Helix
AQI 49
El Cajon
AQI 49
Santee
AQI 49