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  4. San Diego County

San Diego County

California

2025-12-15 05:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
42.8
PM2.5
μg/m³
28.4
O3
μg/m³
73.2
Weather
  • ℃
  • ℉
14℃
93%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • PM2.5
  • O3
Places included
Alpine
AQI 28
Borrego Springs
AQI 33
Camp Pendleton South
AQI 55
Campo
AQI 21
Carlsbad
AQI 55
Casa de Oro-Mount Helix
AQI 51
Chula Vista
AQI 41
Coronado
AQI 69
Del Mar
AQI 26
El Cajon
AQI 51
Encinitas
AQI 26
Escondido
AQI 26
Fairbanks Ranch
AQI 26
Fallbrook
AQI 55
Hidden Meadows
AQI 55
Imperial Beach
AQI 51
La Mesa
AQI 51
La Posta Band of Indians
AQI 29
Lake San Marcos
AQI 26
Lemon Grove
AQI 51
National City
AQI 69
Oceanside
AQI 55
Poway
AQI 26
Rainbow
AQI 23
Rancho Santa Fe
AQI 26
San Diego
AQI 45
San Marcos
AQI 26
Santee
AQI 51
Solana Beach
AQI 26
Spring Valley
AQI 51
Valley Center
AQI 26
Vista
AQI 55
Winter Gardens
AQI 51
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 45
Coronado
AQI 69
National City
AQI 69
Chula Vista
AQI 41
Lemon Grove
AQI 51
La Mesa
AQI 51
Imperial Beach
AQI 51
Spring Valley
AQI 51
Casa de Oro-Mount Helix
AQI 51
El Cajon
AQI 51
Santee
AQI 51