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  4. San Diego County

San Diego County

California

2026-10-16 00:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
110
PM10
μg/m³
14.8
PM2.5
μg/m³
2.7
Weather
  • ℃
  • ℉
31℃
27%
30 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
Places included
Alpine
AQI 35
Borrego Springs
AQI 28
Camp Pendleton South
AQI 33
Campo
AQI 33
Carlsbad
AQI 19
Casa de Oro-Mount Helix
AQI 15
Chula Vista
AQI 37
Coronado
AQI 23
Del Mar
AQI 9
El Cajon
AQI 35
Encinitas
AQI 9
Escondido
AQI 9
Fairbanks Ranch
AQI 9
Fallbrook
AQI 19
Hidden Meadows
AQI 19
Imperial Beach
AQI 21
La Mesa
AQI 15
La Posta Band of Indians
AQI 35
Lake San Marcos
AQI 9
Lemon Grove
AQI 15
National City
AQI 23
Oceanside
AQI 19
Poway
AQI 9
Rainbow
AQI 11
Rancho Santa Fe
AQI 9
San Diego
AQI 35
San Marcos
AQI 9
Santee
AQI 15
Solana Beach
AQI 9
Spring Valley
AQI 15
Valley Center
AQI 9
Vista
AQI 19
Winter Gardens
AQI 15
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 35
Coronado
AQI 23
National City
AQI 23
Chula Vista
AQI 37
Lemon Grove
AQI 15
La Mesa
AQI 15
Imperial Beach
AQI 21
Spring Valley
AQI 15
Casa de Oro-Mount Helix
AQI 15
El Cajon
AQI 35
Santee
AQI 15