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  4. San Diego County

San Diego County

California

2026-10-21 12:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
19.9
O3
μg/m³
53.1
PM2.5
μg/m³
7
Weather
  • ℃
  • ℉
17℃
91%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 31
Borrego Springs
AQI 25
Camp Pendleton South
AQI 19
Campo
AQI 28
Carlsbad
AQI 21
Casa de Oro-Mount Helix
AQI 19
Chula Vista
AQI 17
Coronado
AQI 18
Del Mar
AQI 20
El Cajon
AQI 17
Encinitas
AQI 20
Escondido
AQI 20
Fairbanks Ranch
AQI 20
Fallbrook
AQI 19
Hidden Meadows
AQI 20
Imperial Beach
AQI 16
La Mesa
AQI 19
La Posta Band of Indians
AQI 32
Lake San Marcos
AQI 20
Lemon Grove
AQI 19
National City
AQI 18
Oceanside
AQI 20
Poway
AQI 20
Rainbow
AQI 19
Rancho Santa Fe
AQI 20
San Diego
AQI 46
San Marcos
AQI 20
Santee
AQI 19
Solana Beach
AQI 20
Spring Valley
AQI 19
Valley Center
AQI 20
Vista
AQI 20
Winter Gardens
AQI 19
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 46
Coronado
AQI 18
National City
AQI 18
Chula Vista
AQI 17
Lemon Grove
AQI 19
La Mesa
AQI 19
Imperial Beach
AQI 16
Spring Valley
AQI 19
Casa de Oro-Mount Helix
AQI 19
El Cajon
AQI 17
Santee
AQI 19