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  4. San Diego County

San Diego County

California

2026-10-09 17:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
28.2
O3
μg/m³
76.1
PM2.5
μg/m³
9.6
Weather
  • ℃
  • ℉
27℃
66%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 30
Borrego Springs
AQI 29
Camp Pendleton South
AQI 40
Campo
AQI 25
Carlsbad
AQI 40
Casa de Oro-Mount Helix
AQI 25
Chula Vista
AQI 36
Coronado
AQI 39
Del Mar
AQI 21
El Cajon
AQI 27
Encinitas
AQI 21
Escondido
AQI 21
Fairbanks Ranch
AQI 21
Fallbrook
AQI 40
Hidden Meadows
AQI 40
Imperial Beach
AQI 36
La Mesa
AQI 25
La Posta Band of Indians
AQI 27
Lake San Marcos
AQI 21
Lemon Grove
AQI 25
National City
AQI 39
Oceanside
AQI 40
Poway
AQI 21
Rainbow
AQI 12
Rancho Santa Fe
AQI 21
San Diego
AQI 43
San Marcos
AQI 21
Santee
AQI 25
Solana Beach
AQI 21
Spring Valley
AQI 25
Valley Center
AQI 21
Vista
AQI 40
Winter Gardens
AQI 25
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 43
Coronado
AQI 39
National City
AQI 39
Chula Vista
AQI 36
Lemon Grove
AQI 25
La Mesa
AQI 25
Imperial Beach
AQI 36
Spring Valley
AQI 25
Casa de Oro-Mount Helix
AQI 25
El Cajon
AQI 27
Santee
AQI 25