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  4. San Diego County

San Diego County

California

2026-10-19 22:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
38.8
O3
μg/m³
119.4
PM2.5
μg/m³
7.6
Weather
  • ℃
  • ℉
27℃
57%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
Places included
Alpine
AQI 49
Borrego Springs
AQI 26
Camp Pendleton South
AQI 39
Campo
AQI 34
Carlsbad
AQI 39
Casa de Oro-Mount Helix
AQI 44
Chula Vista
AQI 36
Coronado
AQI 39
Del Mar
AQI 36
El Cajon
AQI 45
Encinitas
AQI 36
Escondido
AQI 36
Fairbanks Ranch
AQI 36
Fallbrook
AQI 39
Hidden Meadows
AQI 39
Imperial Beach
AQI 36
La Mesa
AQI 44
La Posta Band of Indians
AQI 33
Lake San Marcos
AQI 36
Lemon Grove
AQI 44
National City
AQI 39
Oceanside
AQI 39
Poway
AQI 36
Rainbow
AQI 28
Rancho Santa Fe
AQI 36
San Diego
AQI 46
San Marcos
AQI 36
Santee
AQI 44
Solana Beach
AQI 36
Spring Valley
AQI 44
Valley Center
AQI 36
Vista
AQI 39
Winter Gardens
AQI 44
Data Sources
http://www.airnow.gov/

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Cities Nearby

San Diego
AQI 46
Coronado
AQI 39
National City
AQI 39
Chula Vista
AQI 36
Lemon Grove
AQI 44
La Mesa
AQI 44
Imperial Beach
AQI 36
Spring Valley
AQI 44
Casa de Oro-Mount Helix
AQI 44
El Cajon
AQI 45
Santee
AQI 44