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  4. San Diego County

San Diego County

California

2026-10-19 04:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
9.2
PM10
μg/m³
48.4
O3
μg/m³
73.6
Weather
  • ℃
  • ℉
21℃
79%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
Places included
Alpine
AQI 40
Borrego Springs
AQI 44
Camp Pendleton South
AQI 57
Campo
AQI 52
Carlsbad
AQI 64
Casa de Oro-Mount Helix
AQI 51
Chula Vista
AQI 52
Coronado
AQI 52
Del Mar
AQI 42
El Cajon
AQI 56
Encinitas
AQI 42
Escondido
AQI 42
Fairbanks Ranch
AQI 42
Fallbrook
AQI 58
Hidden Meadows
AQI 58
Imperial Beach
AQI 56
La Mesa
AQI 51
La Posta Band of Indians
AQI 42
Lake San Marcos
AQI 42
Lemon Grove
AQI 51
National City
AQI 52
Oceanside
AQI 64
Poway
AQI 42
Rainbow
AQI 46
Rancho Santa Fe
AQI 42
San Diego
AQI 53
San Marcos
AQI 42
Santee
AQI 51
Solana Beach
AQI 42
Spring Valley
AQI 51
Valley Center
AQI 38
Vista
AQI 64
Winter Gardens
AQI 51
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 53
Coronado
AQI 52
National City
AQI 52
Chula Vista
AQI 52
Lemon Grove
AQI 51
La Mesa
AQI 51
Imperial Beach
AQI 56
Spring Valley
AQI 51
Casa de Oro-Mount Helix
AQI 51
El Cajon
AQI 56
Santee
AQI 51